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Endotoxic shock after gamete intrafallopian transfer. Fertil Steril 2005; 83:1041. [PMID: 15820819 DOI: 10.1016/j.fertnstert.2004.10.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2004] [Revised: 10/06/2004] [Accepted: 10/06/2004] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To report an extremely rare case of endotoxic shock due to Enterobacter cloacae that occurred after laparoscopy for gamete intrafallopian transfer (GIFT) in a nulligravid woman. DESIGN Private fertility center in Cape Town, South Africa. SETTING Case report. PATIENT(S) A 34-year-old woman with primary infertility. INTERVENTION(S) Routine preparation for GIFT procedure, sonar aspiration to obtain oocytes, followed by GIFT. Endotoxic shock developed within hours after the procedure, followed by admission to the intensive care unit, intravenous antibiotic therapy, mechanical ventilation, and abdominal hysterectomy. MAIN OUTCOME MEASURE(S) Preventing patient mortality and morbidity. RESULT(S) Discharge from the intensive care unit occurred on day 11 after GIFT, which was day 8 after surgery. A MEDLINE search (1980 to 2003) found no previous literature on endotoxic shock associated with assisted reproduction. CONCLUSION(S) Gram-negative infection with subsequent endotoxic shock after assisted reproductive techniques is extremely rare. As this case report shows, early diagnosis and active management of these cases are mandatory to prevent serious complications and mortality.
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Increased risk of preterm birth in singleton pregnancies resulting from in vitro fertilization–embryo transfer or gamete intrafallopian transfer: A meta-analysis. Fertil Steril 2004; 82:1514-20. [PMID: 15589852 DOI: 10.1016/j.fertnstert.2004.06.038] [Citation(s) in RCA: 119] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2003] [Revised: 06/24/2004] [Accepted: 06/24/2004] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To perform a systematic review of the literature to determine whether singleton pregnancies resulting from IVF-ET/GIFT are at higher risk for preterm birth (<37 weeks). DESIGN Literature search and systematic review. SETTING Medical school. INTERVENTION(S) A MEDLINE search (1965-2000) was performed using the terms "premature labor," "infertility," "pregnancy complications," "gonadotropins," "pregnancy outcome," "preterm delivery," and "in vitro fertilization." Criteria for inclusion were English language, original research article, study patients conceived using IVF-ET (with or without intracytoplasmic sperm injection) or GIFT, pregnancy outcome reported compared with a control group (e.g., naturally conceived singletons at their hospital or a national reference), and prematurity clearly defined. Incomplete articles (e.g., abstracts), reports of other studies, and studies that failed to separate multiple from singleton gestations were excluded. MAIN OUTCOME MEASURE(S) Summary of relative risks of preterm birth. RESULT(S) Twenty-seven articles met all inclusion/exclusion criteria and were analyzed by meta-analysis. The random-effects summary relative risk of preterm birth in singleton pregnancies resulting from IVF-ET/GIFT was 1.98 (95% confidence interval, 1.77-2.22). CONCLUSION(S) The risk of preterm birth in singleton pregnancies resulting from IVF-ET/GIFT is twice that of natural conceived pregnancies.
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A prospective study of stress among women undergoing in vitro fertilization or gamete intrafallopian transfer. Fertil Steril 2001; 76:675-87. [PMID: 11591398 DOI: 10.1016/s0015-0282(01)02008-8] [Citation(s) in RCA: 195] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To evaluate whether baseline or procedural stress during in vitro fertilization (IVF) or gamete intrafallopian transfer (GIFT) affects pregnancy or live birth delivery rates. DESIGN Prospective study. SETTING Seven clinics in Southern California between 1993 and 1998. PATIENT(S) One hundred and fifty-one women completed two questionnaires. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) The number of oocytes aspirated and fertilized, the number of embryos transferred, the achievement of a pregnancy, live birth delivery, and infant outcomes. RESULT(S) Positive-affect negative-affect score at baseline negatively influenced the number of oocytes retrieved and embryos transferred. A higher expectation of pregnancy was associated with greater numbers of oocytes fertilized and embryos transferred. At baseline, the risk of no live birth was 93% lower for women who had the highest positive-affect score compared to those with the lowest score. Furthermore, the score on the Infertility Reaction Scale was related to negative outcomes in live birth delivery, infant birth weight, and multiple births. During the time of the procedure, the PANAS and Bipolar Profile of Moods States results were related to the number of oocytes fertilized and embryos transferred; stress did not affect pregnancy or delivery. CONCLUSION(S) Baseline (acute and chronic) stress affected biologic end points (i.e., number of oocytes retrieved and fertilized), as well as pregnancy, live birth delivery, birth weight, and multiple gestations, whereas (procedural) stress only influenced biologic end points.
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Abstract
BACKGROUND Few studies have described the perinatal risks associated with infertility, other than for infertility treated by in-vitro fertilisation or gamete intrafallopian transfer. The aim of this analysis was to estimate the risks of perinatal death associated with treated and untreated infertility. METHODS A population-based case-control study of perinatal deaths was carried out in Leicestershire Health District over the period 1990-94, during which 60,922 babies were delivered. Of these, 567 perinatal deaths were associated with 542 women. 972 mothers were randomly selected as controls. Medical, obstetric, and social data were collected for cases and controls from the medical notes and interviews with the women. The relative risks of perinatal death associated with treated and untreated infertility before the index pregnancy were estimated as odds ratios by means of unconditional logistic regression analysis. FINDINGS 65 (10%) of cases and 34 (3.5%) of the controls had infertility before the index pregnancy. History of infertility in the index pregnancy, irrespective of treatment, increased the risk of perinatal death (odds ratio 2.9 [95% CI 1.8-4.5]). The population attributable risk fraction for perinatal death related to infertility was 6.2% (3.4-9.0). 45 (54%) of the deaths, even in the untreated group, were associated with immaturity. Compared with women without infertility, women with untreated infertility were at increased risk of perinatal death (3.3 [1.6-6.8]). The risk of perinatal death associated with multiple births did not explain this finding. Similarly, treated infertility also increased the risk of perinatal death (2.7 [1.5-4.7]); the risks associated with multiple births explained some, but not all, of this excess. In Leicestershire, the overall underlying risk of a mother experiencing at least one perinatal death over the study was 9.0 per 1000 women. For women who experience infertility, this risk increases by about 18 per 1000 (6-30). INTERPRETATION Counselling for women before any form of infertility treatment should include discussion of the risks of perinatal death. Our results would benefit from confirmation. However, we advocate that at antenatal booking a history of infertility, irrespective of treatment, should be sought, because these women have a significantly increased risk of perinatal death, particularly associated with prematurity.
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Hydatidiform moles associated with multiple gestations after assisted reproduction: diagnosis by analysis of DNA fingerprint. Mol Hum Reprod 1998; 4:877-80. [PMID: 9783848 DOI: 10.1093/molehr/4.9.877] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In spite of the widespread use of assisted reproductive technology, there have been, to our knowledge, only two reported cases of molar pregnancies after gamete intra-Fallopian transfer and five reported cases after in-vitro fertilization and embryo transfer. We report here a case of a complete hydatidiform mole in a twin pregnancy after gamete intra-Fallopian transfer, as well as a case of a complete hydatidiform mole in a triplet pregnancy after in-vitro fertilization and embryo transfer. The genetic constitution of each conceptus was determined by examination of the restriction fragment length polymorphism of the DNA with four different single-locus probes. This analysis revealed that both hydatidiform moles were of androgenetic origin and probably of monospermic origin. Moreover, the analysis confirmed that the pregnancies were dizygotic and trizygotic pregnancies respectively. The diagnostic utility of the analysis of DNA polymorphism is discussed in cases of a molar pregnancy with coexisting fetuses.
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[Mid- and long-term outcome of 77 triplets and their families]. JOURNAL DE GYNECOLOGIE, OBSTETRIQUE ET BIOLOGIE DE LA REPRODUCTION 1998; 27:430-7. [PMID: 9690163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To compare the family status and neurodevelopment of triplets conceived by spontaneous pregnancy (SP), ovarian stimulation (OS), in vitro fertilization (IVF), and gametal intra-fallopian transfer (GIFT). DESIGN A follow-up study consisted of neurodevelopmental examination and/or of interviews of parents/pediatricians/teachers and social workers. Outcome of the children was categorized as defective (mild, moderate, severe) or normal. SETTING The Port-Royal neonatal unit and follow-up clinic. SUBJECTS From 1/01/1987 to 31/12/94, one to all three neonatal triplets were admitted to the Port-Royal neonatal unit. Pregnancy was SP in 12, OS in 24, IVF in 36, GIFT in 5. All survivors (36 SP, 68 OS, 98 IVF, 14 GIFT) were included and their outcome (at 3 to 10 years of age) was known in 75 families. RESULTS Prematurity < 32 weeks was highest in the SP pregnancies, with no birth > 37 weeks, and more small-for-dates babies. As of this writing, the neurodevelopmental status was normal or included only a mild deficit (mainly visual corrections) in 82% of SP survivors, 94% of OS survivors, 98% of IVF survivors, all 14 GIFT survivors. Moderate and major deficits were found in one or two siblings of 7 sets of triplets, 5 of which were born < 32 weeks (1 SP, 3 OS, 1 IVF). In all groups, family status was characterized by the need to move, financial problems, maternal exhaustion and parental breakdowns. Five OS mothers, 5 IVF mothers, and one GIFT mother each had one to three subsequent SP pregnancies. In 1997, all families included one to eight children. Because of the cumulative effect of losses, deficits, and other post-natal difficulties, only one of four families had no problems. CONCLUSION The overall outcome of surviving triplets is good but they are both a prenatal and post-natal hardship for the parents, chiefly the mother. We advocate a more cautious use of OS, no triple implantation at the first IVF, and more social help and guidance for the families during the pregnancy and the first 3 years of life of the triplets.
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Abstract
OBJECTIVE To evaluate the safety and efficiency of a new delivery system to perform transcervical GIFT. DESIGN Evaluation of pregnancy rate (PR), miscarriage rate, ectopic pregnancy rate, and delivery rate. SETTING Institute of Obstetrics and Gynecology, Reproductive Endocrinology Unit, Infertility and IVF Center. PATIENT(S) Twenty-five patients with patent tubes documented by laparoscopy plus falloposcopy. INTERVENTION(S) Superovulation was induced with GnRH analogue and FSH. Under laparoscopic control, transcervical cannulation of the tube was done using a linear everting catheter incorporating direct falloposcopic vision of the tubal lumen. Two lengths of everting catheter (3 and 6 cm) were used providing either isthmic-ampullary or midampullary placement of the inoculum. A comparison was done in terms of ease of access and transfer, falloposcopic observations, and PRs between the groups. MAIN OUTCOME MEASURE(S) Efficacy was established by evaluating the PR, miscarriage rate, ectopic pregnancy rate, and delivery rate. RESULT(S) The PR was 28% (with no differences between the lengths of everting catheters). No ectopic pregnancies occurred. The abortion rate was 28.6% and the delivery rate was 20%. Neither tubal perforation nor other complications occurred during the procedure. CONCLUSION(S) Falloposcopic GIFT is safe and efficient and may be a less invasive alternative than laparoscopic transfer.
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Abstract
A case of severe ovarian hyperstimulation syndrome (OHSS) prompted us to review our experience of the condition, and to critically evaluate its clinical associations and treatment. Severe OHSS complicated 1.8% of gamete intra-Fallopian transfer (GIFT) cycles, but none of the ovulation induction and artificial insemination by husband (OI/AIH) cycles. It is difficult to establish whether the higher pregnancy rate observed with OHSS was attributable to pregnancy increasing the risk of OHSS, or if it was the development of OHSS which increased the likelihood of pregnancy. Monitoring serum oestradiol levels and ultrasonographic evaluation of growing follicles may be helpful in identifying women at risk. Strategies for reducing the risk of developing severe OHSS were considered.
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In vitro fertilization, gamete intrafallopian transfer, and superovulation with intrauterine insemination: efficacy and potential health hazards on babies delivered. Am J Obstet Gynecol 1996; 174:1208-17. [PMID: 8623848 DOI: 10.1016/s0002-9378(96)70663-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVE The purpose of this article was to review the efficacy and potential hazards of assisted conception. STUDY DESIGN A review of pertinent scientific articles published in English was done. RESULTS There are no adequate prospective, randomized, controlled, or comparative studies of sufficient power on the efficacy of in vitro fertilization, gamete intrafallopian transfer, and superovulation with intrauterine insemination in well-defined infertile couples. In vitro fertilization can overcome tubal sterility. The pregnancy per cycle is 19.8% and delivery per cycle is 16.0% for in vitro fertilization (all indications) and 29.5% and 19.8%, respectively, for gamete intrafallopian transfer. In limited prospective studies, in vitro fertilization, gamete intrafallopian transfer, and superovulation with intrauterine insemination have similar fecundity. Multiple births from in vitro fertilization and gamete intrafallopian transfer are increased, whereas preterm labor and low-birth-weight babies are significantly more common, even in singletons. CONCLUSION The efficacy or relative superiority of IVF, gamete intrafallopian transfer, and superovulation with intrauterine insemination in nontubal subfertility remains to be shown by properly designed, prospective, randomized, controlled, or comparative studies. Therefore less invasive and less expensive methods such as expectant management or superovulation with intrauterine insemination should be used before embarking on in vitro fertilization and gamete intrafallopian transfer. Further studies on the outcome of babies delivered after assisted conception are required.
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What factors predetermine the risk of having a high-order multiple pregnancy with gamete intra-fallopian transfer? Hum Reprod 1996; 11:655-9. [PMID: 8671286 DOI: 10.1093/humrep/11.3.655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Limiting the number of oocytes transferred at gamete intra-Fallopian transfer (GIFT) has limited the incidence of high-order pregnancy but at the same time compromised the fertility potential of some patients. A review of 300 patients who have undergone GIFT using a flexible approach as to the number of oocytes transferred identifies the patients at risk of high-order pregnancy as those aged under 30 years in whom more than six oocytes are returned and whose partner's spermatozoa have high progressive motility.
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Abstract
BACKGROUND Preimplantation genetic diagnosis is an exciting advance in prenatal diagnosis. However, the safety of embryo biopsy must be determined with respect to both pregnancy rate and cogenital anomalies. ANALYSIS Too few pregnancies have been reported to allow meaningful inferences to be drawn, for which reason data on pregnancy losses and anomalies after conventional IVF were first reviewed. Loss rates are approximately 25%, and anomaly rates are not increased over that observed in the general population. Unfortunately, considerable methodological problems exist in published surveys: lack of proper controls, failure to take into account potential confounding variables, anomaly surveillance that is inconsistent with respect to the vigor with which anomalies are sought, inclusion or exclusion of minor anomalies, inclusion or exclusion of anomalies evident only on ultrasound, and even inclusion or exclusion of anomalies present in terminated pregnancies. We recommend prospective surveillance for major anomalies, defined as those causing death, major handicap or requiring surgery. Prospective surveillance ideally dictates collection of intake information at the time pregnancy is diagnosed, surveillance during pregnancy to exclude teratogenic influences, and systematic neonatal anomaly surveillance.
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Factors associated with improving success rates with gamete intrafallopian transfer under thin-needle spinal anesthesia. J Assist Reprod Genet 1995; 12:569-73. [PMID: 8580651 DOI: 10.1007/bf02212576] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
PURPOSE In order to reduce the risk of major anesthetic complications associated with laparoscopic gamete intrafallopian transfer procedures, we have exclusively used thin-needle spinal anesthesia over the years 1991 - 1994. This paper will review complication rates in order to further establish the safety profile of GIFT under thin-needle anesthesia and report the changes in our GIFT protocol from 1991 to 1994 which have been associated with a statistical improvement in the implantation rate from 11% to 23% (P = 0.01) and an increase in delivery rates from 29% to 42% per transfer procedure. METHODS Sixty-eight laparoscopic GIFT procedures were done in women with at least one patent oviduct and failure to respond to less invasive treatment. Clinical variables were analyzed to determine if similar patient populations had been treated over the study period. RESULTS The improved delivery rates and implantation rates could not be explained by patient selection. No major perioperative complications occurred. Minor perioperative complications and difficulties included one patient requiring general anesthesia, one patient developing a spinal headache which could be managed conservatively at home, and one patient requiring a minilaparotomy to complete the GIFT procedure. The more serious complications occurred as a result of the superovulation and multiple oocyte transfer rather than the surgical or anesthetic technique. These included two patients with severe ovarian hyperstimulation requiring hospitalization, and five delivered triplet pregnancies. Factors associated with improving success rates included improvements in semen and equipment preparation as well as an increase in the number of sperm transferred from 200,000 to 500,000. CONCLUSIONS GIFT can be performed with relative safety under thin needle spinal anesthesia with high implantation and delivery rates if care is made to optimize sperm and equipment preparation. GIFT under thin-needle spinal anesthesia may be an attractive alternative for treatment of longstanding nontubal infertility in couples willing to take the risk of ovarian hyperstimulation and multiple pregnancy.
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Infertility, assisted reproduction programmes and public health. Hum Reprod 1995; 10:1328-9. [PMID: 7593486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Acute arterial thrombosis after gamete intrafallopian transfer: a case report. J Assist Reprod Genet 1995; 12:335-7. [PMID: 8520199 DOI: 10.1007/bf02213715] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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Ovarian hyperstimulation syndrome with minimal ascites and massive pleural effusion: report of a case. J Formos Med Assoc 1994; 93:882-4. [PMID: 7749344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A 30-year-old woman was admitted to the hospital due to bilateral massive pleural effusion and right lung collapse with severe respiratory distress. She had been undergoing gamete intrafallopian transfer (GIFT) following three years of primary infertility. Ovarian stimulation was done with pure follicle stimulating hormone (FSH) and human menopausal gonadotropin (hMG) under pituitary suppression with leuprolide acetate. Bilateral chest pain and progressive dyspnea occurred six days after preovulatory oocytes with washed motile sperms were transferred laparoscopically to the fallopian tubes. Chest radiography, sonography and computed tomography revealed a massive right pleural effusion with right lung collapse, and a mild left pleural effusion. Abdominal sonography revealed minimal ascites. Supportive therapy including fluid supply and albumin infusion failed to improve the respiratory distress. A tube thoracostomy was performed, resulting in rapid reexpansion of the lung. The respiratory distress improved markedly after drainage of 6,800 mL of pleural effusion over 7 days. Massive serosanguineous pleural effusion with minimal ascites is unusual in ovarian hyperstimulation syndrome (OHSS). Tube thoracostomy is a safe and effective treatment for massive pleural effusion and lung collapse in the case of OHSS.
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[Heterotopic ovarian pregnancy after in-vitro fertilization and embryo transfer and contralateral tubal pregnancy after gamete intrafallopian transfer]. MINERVA GINECOLOGICA 1994; 46:365-368. [PMID: 7936390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
One case of ovarian ectopic pregnancy associated with twin intrauterine viable pregnancy after IVF-ET, and one case of contralateral tubal ectopic pregnancy after GIFT performed with normal fallopian tubes, are reported. The possible pathogenesis and management are discussed.
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Transcervical tubal transfer of gametes and embryos. Curr Opin Obstet Gynecol 1994; 6:178-83. [PMID: 8193259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The benefit of intrafallopian transfer techniques is still disputable in assisted reproductive techniques. On this background, alternatives to laparoscopic transfer procedures are in development. Current transcervical intrafallopian transfers of gametes and embryos are lacking success and reproducibility of results. New developments in catheter techniques and optical systems are offering new concepts for more successful transcervical approaches and preparing the basis for truly prospective studies.
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Abstract
OBJECTIVE To review and appreciate the relevant data on assisted reproduction techniques and their potential complications. DATA RESOURCES Major publications on assisted reproduction that include the information concerning complications associated with this practice. RESULTS Assisted reproduction is a common practice in modern reproductive medicine. Complications are associated with ovulation induction and the extracorporeal methods that are used for IVF-ET, GIFT, and zygote intrafallopian transfer (ZIFT). These complications are associated with laparoscopy, anesthesia, oocyte retrieval, and laboratory facilities. Pregnancies resulting from assisted reproduction are more complicated than spontaneous pregnancies. There are higher rates of ectopic, heterotopic, and multifetal pregnancies; abortions; and premature deliveries. Increased rates of perinatal mortality and morbidity result from prematurity, and higher rates of maternal diseases in pregnancy (preeclampsia, diabetes mellitus, bleeding, anemia) contribute to fetal intra-uterine growth restriction and maternal morbidity. CONCLUSIONS Assisted reproduction practice should be well controlled in view of the potential for complications before and during pregnancies.
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Combined intra-uterine and extra-uterine pregnancy in the contralateral tube after gamete intra-fallopian transfer. Hum Reprod 1993; 8:2231-3. [PMID: 8150929 DOI: 10.1093/oxfordjournals.humrep.a138008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
A case of combined intra-uterine and contralateral tubal pregnancy after gamete intra-Fallopian transfer (GIFT) is presented. Laparotomy with partial tubal resection was performed after tubal rupture. The intra-uterine pregnancy is still ongoing without complications. Heterotopic pregnancies are dangerous conditions for the patient and should be taken into account after transfer of multiple oocytes. To our knowledge this is the first report of a heterotopic pregnancy in the contralateral tube after GIFT.
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Simultaneous bilateral ectopic pregnancy resulting from gamete intrafallopian transfer (GIFT). J Assist Reprod Genet 1993; 10:304-8. [PMID: 8130438 DOI: 10.1007/bf01204947] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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Abstract
OBJECTIVE The purpose of this study was to review the current approaches to preventing preterm delivery. STUDY DESIGN The problem of preterm birth was assessed by reviewing the different components that play a role in preterm birth prevention, excluding infection, antibiotic treatment, and tocolytic treatment. RESULTS Prevention of preterm labor must initially discriminate those at risk. Positive predictive values of various approaches are currently not adequate enough to warrant intervention. Prevention modalities, in part because of poor prediction, are mostly unproved. Accurate diagnoses of preterm labor remains difficult and confuses analyses of tocolytic agents. Cervicovaginal fetal fibronectin, perhaps in combination with cervical evaluation, shows promise. Early detection programs remain controversial, but most reviews indicate that daily patient contact with high-risk patients gives cause for some optimism. Antenatal maternal glucocorticoid treatment at specific gestational ages improves neonatal outcome. CONCLUSION The incidence of preterm birth is rising in the country. However, improved definition of the various components of the problem has provided an improved understanding of the problem. There is a new continuing effort and a search for new and innovative ways to address this vexing national problem.
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Abstract
Two cases of ovarian torsion after gamete intra-Fallopian transfer are described and the roles of ovarian manipulation during the procedure, ovarian hyperstimulation and pregnancy as predisposing factors are discussed. The relevant literature is reviewed.
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Abstract
The pregnancy of a 31-year-old infertility patient is described. After gamete intra-Fallopian transfer, her pregnancy evolved uneventfully until the 18th week of gestation, when vaginal bleeding occurred. Ultrasonographic findings suggested a molar pregnancy with two live fetuses. At 24 weeks gestation, two male infants were spontaneously delivered. Fetal (46 XY) and molar (46 XX) karyotypes and post-mortem findings were consistent with a bizygotic twin pregnancy associated with a complete hydatidiform mole. The pathogenesis and obstetrical management are discussed.
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Laparoscopic zygote intrafallopian transfer using augmented local anesthesia. Fertil Steril 1992; 57:442-4. [PMID: 1531201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this study, 29 laparoscopic ZIFTs were performed in 21 patients using local anesthesia augmented with intravenous analgesia. The technique was well tolerated; significant discomfort arose only when the fallopian tubes were manipulated and was minimized by transferring zygotes to one tube only. Seven pregnancies resulted, of which three have delivered and one is ongoing.
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Heterotopic pregnancy associated with gamete intra-fallopian transfer. Hum Reprod 1992; 7:131-5. [PMID: 1551950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Recent reports in the literature have focused on the increased risk of heterotopic pregnancy after the transfer of multiple concepti or oocytes. In an international collaborative patient registry between 1985 and 1989, 601 clinical pregnancies resulted from 2092 gamete intra-Fallopian transfer (GIFT) retrieval cycles. Five of the pregnancies were heterotopic (0.83%). After surgical intervention, all five cases of combined gestation resulted in live birth from intrauterine pregnancies. Routine vaginal ultrasonographic examination of the adnexa in patients who conceive after GIFT may help early diagnosis of heterotopic pregnancy. If the diagnosis is made early, conservative treatment may preserve the future fecundity of the patient and more intrauterine pregnancies may be salvaged.
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Ectopic pregnancy resulting from gamete intrafallopian transfer and in vitro fertilization. Role of ultrasonography in diagnosis and treatment. THE JOURNAL OF REPRODUCTIVE MEDICINE 1991; 36:793-6. [PMID: 1765957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Forty-five cases of ectopic pregnancy occurred after gamete intrafallopian transfer (32 cases) or in vitro fertilization (13 cases). Ultrasonography positively identified ectopic pregnancy in 33 cases (73.4%) and suggested the presence of one in 7 cases (15.6%). There were five false-negative results (11.1%). The incidence of rare types of ectopic pregnancy after assisted fertility procedures, such as ovarian, heterotopic, cervical and ectopic pregnancy, in patients who had undergone a previous salpingectomy was increased. Ultrasound scanning was used to monitor three cases of nonviable ectopic pregnancy; all three required no further treatment. In 14 cases of viable ectopic pregnancy the gestational sac was aspirated and injected with potassium chloride and methotrexate. In seven of those cases no further treatment was needed. Patients who conceive as a result of assisted fertility procedures should be scanned four to six weeks after the procedure or sooner if they are considered at high risk of developing an ectopic pregnancy or if the condition is symptomatic.
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Selective reduction after gamete intrafallopian transfer. Int J Gynaecol Obstet 1991; 36:59-61. [PMID: 1683305 DOI: 10.1016/0020-7292(91)90180-d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Selective reduction was performed in a patient with triplet pregnancy in the 9th week of gestation. Selective reduction of the fetuses to two was performed by puncture using vaginal ultrasound probe. No complications occurred and the patient was delivered of healthy twins.
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Left ectopic pregnancy following gamete intra-fallopian transfer into the right fallopian tube: a report on two cases. Hum Reprod 1990; 5:1023-4. [PMID: 2081798 DOI: 10.1093/oxfordjournals.humrep.a137210] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Two cases are reported in which GIFT was performed into the right Fallopian tube, both resulting in ectopic pregnancy in the left Fallopian tube. The possible aetiological factors for the occurrence of contralateral ectopic pregnancy are discussed.
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Abstract
This observation reports a case of human superfetation. Fertilizable oocytes and embryos were obtained after ovarian stimulation in a women already several weeks pregnant. Spontaneous monofetal pregnancy had normal development and the embryos obtained after in vitro fertilization were actually frozen.
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Multiple-sited (heterotopic) pregnancy after in vitro fertilization and gamete intrafallopian transfer. Fertil Steril 1990; 53:1068-71. [PMID: 2140992 DOI: 10.1016/s0015-0282(16)53587-0] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Pregnancies occurring simultaneously in different body sites (heterotopic pregnancies) are a rare condition thought to occur in 1 of 30,000 spontaneous pregnancies. Individual cases may occur after in vitro fertilization (IVF) or gamete intrafallopian transfer (GIFT). In the past 4 1/2 years, our unit has performed 6,204 IVF/GIFT or pronuclear stage transfer cycles of treatment. Ten such pregnancies proven by surgical, ultrasound, and histological diagnosis have occurred. In the same period 640 IVF, 355 GIFT, and 6 pronuclear stage transfer clinical pregnancies were achieved. This suggests that the incidence of heterotopic pregnancy after assisted reproduction is closer to 1 of 100 pregnancies. Clinicians managing early complications of IVF, GIFT, and/or pronuclear stage transfer pregnancies should be aware of this relatively high incidence of concomitant intrauterine and extrauterine pregnancy.
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Simultaneous intrauterine and ectopic pregnancies following in-vitro fertilization and gamete intra-fallopian transfer. A review of nine cases. Hum Reprod 1990; 5:484-6. [PMID: 2362013 DOI: 10.1093/oxfordjournals.humrep.a137129] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
This paper reports nine cases of simultaneous intrauterine and ectopic pregnancies which followed in-vitro fertilization (three cases) and gamete intra-Fallopian transfer (six cases). The ectopic pregnancies were treated by aspiration and injection of potassium chloride and methotrexate (five cases), salpingectomy (three cases) or laparoscopic evacuation (one case). In five of the nine patients the intrauterine pregnancies continued until after the 35th week and the patients delivered live infants. The role of vaginal ultrasound scanning in making the diagnosis was emphasized. The literature on heterotropic pregnancy is reviewed.
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Abstract
This report presents our experience with gamete intra-Fallopian transfer (GIFT) in cases with non-endometriotic pelvic adhesions. Two-hundred-and-eight GIFT attempts, where pelvic adhesions were identified laparoscopically in patients with no previous history of endometriosis, were subdivided into two groups: (i) post-surgical (n = 134) and (ii) non-surgical (n = 74). The extent of the adhesions was further classified according to the American Fertility Society (AFS) classification system. The overall clinical pregnancy rate was 39.4% (82 out of 208 attempts). There was no significant difference in the clinical pregnancy rate per attempt between the surgical (38.8%) and the non-surgical (40.5%) groups. A gradual, but not significant decline in the pregnancy rate was noticed from adhesion Stages I to III, but Stage IV had a significantly lower pregnancy rate (22.7%) than Stage I (47.4%). The intra-uterine pregnancy rate was observed to be higher, but not significantly, in the non-surgical (37.8%) than in the surgical (29.1%) cases. The overall ectopic pregnancy rate was 7.2% per attempt and 18.3% per clinical pregnancy. In the post-surgical group, the ectopic pregnancy rate per pregnancy was 3.5 times that in the non-surgical (23.2% versus 6.5%, respectively), and it was significantly higher in Stage IV (40%; two out of five pregnancies) than in Stage I adhesions (11.1%; three out of 27 pregnancies). In cases with a history of tubal surgery, the ectopic pregnancy rate was 33.3% (10 out of 30 pregnancies). Our results indicate that GIFT can offer a successful treatment option for selected cases with non-endometriotic pelvic adhesions.
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Cervical ectopic pregnancy following gamete intrafallopian transfer. JOURNAL OF IN VITRO FERTILIZATION AND EMBRYO TRANSFER : IVF 1988; 5:370-2. [PMID: 3221128 DOI: 10.1007/bf01129573] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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[Conservative treatment with methotrexate in a case of ectopic pregnancy after a microsurgical operation associated with tubal gamete transfer]. CESKOSLOVENSKA GYNEKOLOGIE 1988; 53:295-7. [PMID: 3262431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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