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Domingues R, Ginther O. Angiocoupling between the dominant follicle and corpus luteum during waves 1 and 2 in Bos taurus heifers. Theriogenology 2018; 114:109-115. [DOI: 10.1016/j.theriogenology.2018.03.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/13/2018] [Accepted: 03/14/2018] [Indexed: 11/28/2022]
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Vengetesh PM, Ramachandran A, Kumar P. Choosing GnRH Antagonist Protocol Shows Improved Oocyte and Embryo Quality, Coherent with the Perifollicular Vascularity (PFV) in Assisted Reproductive Techniques. J Clin Diagn Res 2015; 9:QC24-8. [PMID: 26674932 DOI: 10.7860/jcdr/2015/13871.6839] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 08/24/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION The parent oocyte from which the embryo is derived, determines its quality and the perifollicular vascularity (PFV) determines the micro-environment of the developing ovum. The PFV correlates well with the follicular oxygenation, oocyte maturation and embryo viability. PFV is imaged with Power Doppler Ultrasound. AIM To study and compare the association of the PFV of follicles with the quality of the oocytes and embryos in agonist and antagonist protocol, employed in Assisted Reproductive techniques (ART). STUDY DESIGN A prospective observational study was conducted on 75 patients, who were recruited for ART cycles, out of which 25 were given the Agonist protocol and the remaining 50 received the Antagonist protocol. MATERIALS AND METHODS The patients underwent the stimulation protocol. The PFV of preovulatory follicles were studied with Transvaginal Power Doppler and graded. Each oocyte retrieved carried the same label of its parent follicle. Embryos were cultured. The embryologist was blinded. The oocyte and embryo quality were assessed and compared with the PFV of parent follicle. RESULTS Follicles with grade 1 and 2 PFV were predominantly observed. The yield of oocytes was independent of PFV. The mean yield of good quality embryos in conjunction with the PFV of the parent follicle was found to be highly significant in both the groups. The antagonist group had statistically significant yield of mature oocytes and embryos, compared to the agonist group. CONCLUSION Antagonist protocol had favourable outcomes compared with the agonist protocol. The retrieval of oocytes, even the mature ones and the yield of high grade embryos were found higher. As the PFV increased, the yield and overall pregnancy rates were higher. PFV as assessed by Power Doppler is a useful non-invasive biomarker of embryo quality and can be employed in conjunction with other biomarkers in ART to predict successful outcome.
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Affiliation(s)
- Pavithra Muraleedharan Vengetesh
- Junior Resident, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University , Manipal, Karnataka, India
| | - Amar Ramachandran
- Associate Professor, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University , Manipal, Karnataka, India
| | - Pratap Kumar
- Professor, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University , Manipal, Karnataka, India
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Varughese EE, Brar PS, Honparkhe M, Ghuman SPS. Correlation of Blood Flow of the Preovulatory Follicle to its Diameter and Endocrine Profile in Dairy Buffalo. Reprod Domest Anim 2013; 49:140-4. [DOI: 10.1111/rda.12242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Accepted: 08/22/2013] [Indexed: 11/29/2022]
Affiliation(s)
- EE Varughese
- Department of Veterinary Gynaecology and Obstetrics Guru Angad Dev Veterinary and Animal Sciences University (GADVASU) Ludhiana Punjab India
| | - PS Brar
- Department of Veterinary Gynaecology and Obstetrics Guru Angad Dev Veterinary and Animal Sciences University (GADVASU) Ludhiana Punjab India
| | - M Honparkhe
- Department of Veterinary Gynaecology and Obstetrics Guru Angad Dev Veterinary and Animal Sciences University (GADVASU) Ludhiana Punjab India
| | - SPS Ghuman
- Department of Veterinary Gynaecology and Obstetrics Guru Angad Dev Veterinary and Animal Sciences University (GADVASU) Ludhiana Punjab India
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Quintela LA, Barrio M, Peña AI, Becerra JJ, Cainzos J, Herradón PG, Díaz C. Use of ultrasound in the reproductive management of dairy cattle. Reprod Domest Anim 2012; 47 Suppl 3:34-44. [PMID: 22681297 DOI: 10.1111/j.1439-0531.2012.02032.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The significant decrease in fertility observed in dairy cattle during the last few decades and increasing requirements by the farmers have made a regular control of reproduction indispensable to urgently identify and solve potential problems affecting reproductive efficiency. Traditionally, the main diagnostic methods used for reproductive control in cattle included rectal palpation, inspection of vaginal discharge and vaginoscopy. Since the 1990 s, the use of ultrasound (US) has become a common diagnostic method as a result of the new advances made in the development of US scans: smaller size, high level of autonomy, high image quality and accessible prices. Ultrasound improves accuracy in the diagnoses of stages of the oestrous cycle, ovarian and uterine pathologies, and pregnancy diagnosis. In addition, it facilitates the diagnosis of alterations during pregnancy (embryo mortality, foetal malformations, etc.) and helps determining foetal sex from day 55 of pregnancy.
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Affiliation(s)
- L A Quintela
- Faculty of Veterinary Medicine, University of Santiago de Compostela, Lugo, Spain.
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Colour Doppler ultrasound in controlled ovarian stimulation with intrauterine insemination. APOLLO MEDICINE 2012. [DOI: 10.1016/j.apme.2012.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Palomba S, Falbo A, Del Negro S, Rocca M, Russo T, Cariati F, Annunziata G, Tolino A, Tagliaferri P, Zullo F. Ultra-conservative fertility-sparing strategy for bilateral borderline ovarian tumours: an 11-year follow-up. Hum Reprod 2010; 25:1966-72. [PMID: 20573679 DOI: 10.1093/humrep/deq159] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND This is a prospective long-term extension study of a randomized controlled trial aimed to assess the risk-benefit ratio of an ultra-conservative fertility-sparing approach in patients with bilateral borderline ovarian tumours (BOTs). METHODS The experimental group (n = 15) was treated with an ultra-conservative surgical approach consisting of bilateral cystectomy, whereas the control group (n = 17) received a less conservative surgery consisting of oophorectomy plus controlateral cystectomy alone. All patients received a complete laparoscopic staging followed by a fertility enhancement programme. Patients who completed childbearing were treated with a non-conservative standard treatment at the first recurrence. RESULTS After a follow-up period of 128 (9 interquartile range (IQR); 115-150 range) and 132 (7 IQR; 117-152 range) months for the experimental and control groups, respectively (P = 0.25), the time to first baby-in-arm (P < 0.02) and the relative rate (RR) of baby-in-arm (8.05 [95% confidence interval (CI), 1.20-9.66; P < 0.01]) were significantly lower and higher, respectively, for the experimental compared with the control group. Although the time to first recurrence was significently (P < 0.01) shorter for the experimental group, in the regression analysis the difference did not reach the statistic significance (P = 0.14), and the RR of recurrence (1.23 [95% CI, 0.62-3.17; P = 0.41]) was not significant. Finally the number needed to treat for pregnancy was three, the number needed to harm for radical surgery was only two. CONCLUSIONS The ultra-conservative fertility-sparing approach is more effective than the standard approach in terms of reproductive outcomes, but presents a higher oncological risk.
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Affiliation(s)
- Stefano Palomba
- Department of Obstetrics and Gynaecology, University Magna Graecia of Catanzaro, Via T. Campanella 182/1- 88100, Viale Europa, 88100 Catanzaro, Italy.
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Fujimoto VY, Kane JP, Ishida BY, Bloom MS, Browne RW. High-density lipoprotein metabolism and the human embryo. Hum Reprod Update 2010; 16:20-38. [PMID: 19700490 DOI: 10.1093/humupd/dmp029] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND High-density lipoprotein (HDL) appears to be the dominant lipoprotein particle in human follicular fluid (FF). The reported anti-atherogenic properties of HDL have been attributed in part to reverse cholesterol transport. The discoveries of the scavenger receptor class B type I (SR-BI) and the ATP-binding cassette A1 lipid (ABCA1) transporter have generated studies aimed at unraveling the pathways of HDL biogenesis, remodeling and catabolism. The production of SR-BI and ABCA1 knockout mice as well as other lipoprotein metabolism-associated mutants has resulted in reduced or absent fertility, leading us to postulate the existence of a human hepatic-ovarian HDL-associated axis of fertility. Here, we review an evolving literature on the role of HDL metabolism on mammalian fertility and oocyte development. METHODS An extensive online search was conducted of published articles relevant to the section topics discussed. All relevant English language articles contained in Pubmed/Medline, with no specific time frame for publication, were considered for this narrative review. Cardiovascular literature was highly cited due to the wealth of relevant knowledge on HDL metabolism, and the dearth thereof in the reproductive field. RESULTS Various vertebrate models demonstrate a role for HDL in embryo development and fertility. In our clinical studies, FF levels of HDL cholesterol and apolipoprotein AI levels were negatively associated with embryo fragmentation, but not with embryo cell cleavage rate. However, the HDL component, paraoxonase 1 arylesterase activity, was positively associated with embryo cell cleavage rate. CONCLUSIONS HDL contributes to intra-follicular cholesterol homeostasis which appears to be important for successful oocyte and embryo development.
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Affiliation(s)
- Victor Y Fujimoto
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California at San Francisco, San Francisco, CA 94115-0916, USA.
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Possible role of human leukocyte antigen–G molecules in human oocyte/embryo secretome. Hum Immunol 2009; 70:970-5. [DOI: 10.1016/j.humimm.2009.07.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Revised: 07/28/2009] [Accepted: 07/29/2009] [Indexed: 11/21/2022]
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Siddiqui M, Almamun M, Ginther O. Blood flow in the wall of the preovulatory follicle and its relationship to pregnancy establishment in heifers. Anim Reprod Sci 2009; 113:287-92. [DOI: 10.1016/j.anireprosci.2008.07.008] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 07/02/2008] [Accepted: 07/22/2008] [Indexed: 11/28/2022]
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Palomba S, Falbo A, Russo T, Zullo F. Is perifollicular vascularity assessment always feasible and clinically effective? Fertil Steril 2009; 92:e1; author reply e2. [PMID: 19481737 DOI: 10.1016/j.fertnstert.2009.01.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2008] [Accepted: 01/29/2009] [Indexed: 10/20/2022]
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Perifollicular vascularity assessment for selecting the best oocytes for in vitro fertilization programs in older patients. Fertil Steril 2008; 90:1305-9. [DOI: 10.1016/j.fertnstert.2007.09.045] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2007] [Revised: 09/27/2007] [Accepted: 09/27/2007] [Indexed: 11/18/2022]
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Ubaldi F, Rienzi L. Morphological selection of gametes. Placenta 2008; 29 Suppl B:115-20. [PMID: 18762336 DOI: 10.1016/j.placenta.2008.08.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2008] [Revised: 07/17/2008] [Accepted: 08/05/2008] [Indexed: 11/18/2022]
Abstract
Methods of selecting gametes before the intracytoplasmic sperm injection (ICSI) technique are of paramount importance, especially where for religious, ethical or legal reasons the production of supernumerary embryos has to be avoided. In these circumstances, in fact, the research has to be focused on the identification of early markers of embryo quality at the oocyte and sperm stage before fertilisation. Oocyte quality can be influenced by several factors such as controlled ovarian hyperstimulation protocols, pharmaceutical preparations and perifollicular vascularisation. Several intracytoplasmic and extracytoplasmic abnormalities have been described, but whether these abnormalities might be predictive of oocyte competence is controversial and the selection methods proposed are still poorly effective. Recently, we have observed that oocyte morphological abnormalities might be indicators of oocyte competence. An abnormal first polar body (but not fragmented), a large perivitelline space, increased cytoplasmic granularity, and the presence of a centrally located granular area seem to have a negative effect on the oocyte potential to fertilise, cleave, and/or develop into a viable embryo. Sperm morphology can be more accurately observed at high magnification using an inverted microscope equipped with Normarski optics (1000x magnification under mineral oil) and a digital system in order to reach a final magnification of approximately 6300x. Single sperm nuclear abnormalities based on strict selection criteria seems to have a clear negative association with ICSI outcome. The possibility of observing the spermatozoa in real time at higher magnification might also be a good opportunity to study the relationship between particular sperm defects and ICSI outcome. In addition to morphology, it has been suggested that spermatozoa selection might be performed on the basis of its biochemical ability to bind to solid hyaluronic acid. However, it must be underlined that prospective randomised studies are necessary to confirm the preliminary results regarding the efficacy of the described criteria proposed, to morphologically select gametes prior to in vitro insemination.
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Affiliation(s)
- F Ubaldi
- G.EN.E.R.A. Centre for Reproductive Medicine, Valle Giulia Clinic, Via G. De Notaris 2, 00197 Rome, Italy.
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Insulin-sensitizing agents and reproductive function in polycystic ovary syndrome patients. Curr Opin Obstet Gynecol 2008; 20:364-73. [DOI: 10.1097/gco.0b013e328307ebc5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Lozano DHM, Frydman N, Levaillant JM, Fay S, Frydman R, Fanchin R. The 3D vascular status of the follicle after HCG administration is qualitatively rather than quantitatively associated with its reproductive competence. Hum Reprod 2006; 22:1095-9. [PMID: 17179201 DOI: 10.1093/humrep/del472] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The objective of this study was to determine whether the vascular status of a single pre-ovulatory follicle is associated quantitatively and/or qualitatively with its reproductive competence. METHODS We studied 61 monofollicular IVF-embryo transfer cycles. Just before single oocyte retrieval, follicle vascularization was detected by transvaginal power-Doppler, 3-dimensionally reconstructed, and analysed quantitatively by coloured/gray voxel ratio [vascularization index (VI)] and qualitatively by blood cell displacement [flow index (FI)] calculation. Cycles were sorted in two sets of two groups: low VI (<or=8%, n = 44) and high VI (>8%, n = 17); low FI (<or=30, n = 22) and high FI (>30, n = 39). RESULTS Patients' characteristics, fertilization rates, and embryo morphology were comparable in all groups. In contrast, clinical pregnancy rates/oocyte retrieval (4% versus 33%, P < 0.009) and implantation rates (11% versus 50%, P < 0.04) were markedly poorer in the low as compared to the high FI groups, respectively, but remained similar between the low and the high VI groups (22% versus 23% and 38% versus 44%, respectively). CONCLUSIONS A qualitative (FI) rather than quantitative (VI) relationship exists between vascular status and functional quality of the follicle after HCG administration.
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Affiliation(s)
- Daniel H Mendez Lozano
- Department of Obstetrics and Gynecology and Reproductive Medicine, INSERM Unit 782, Clamart, Université Paris XI, Le Kremlin-Bicêtre, France
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Ragni G, Anselmino M, Nicolosi AE, Brambilla ME, Calanna G, Somigliana E. Follicular vascularity is not predictive of pregnancy outcome in mild controlled ovarian stimulation and IUI cycles. Hum Reprod 2006; 22:210-4. [PMID: 16971382 DOI: 10.1093/humrep/del362] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Although follicular vascularity has been shown to be a good indicator of oocyte quality in IVF, scant evidence is currently available on the predictive value of this variable in terms of pregnancy rate during controlled ovarian stimulation (COS) and intrauterine insemination (IUI) cycles. METHODS Three-hundred and eighteen patients who had received mild COS underwent transvaginal ultrasound scan before performing the IUI. Using power Doppler imaging, vascularity of follicles with a mean diameter > or =16 mm was graded into a three grades according to the circumference of the follicle in which flow was identified. When more than one follicle was observed, grading was performed for all of them, and the highest vascularity grade was recorded. RESULTS Clinical pregnancy rate (number/total) in the low-, medium- and high-grade vascularity groups was 14.1% (14/99), 10.0% (10/100) and 11.8% (14/119), respectively (P = 0.66). Similar results were observed when only monofollicular cycles were considered. CONCLUSIONS Follicular vascularity does not predict the chance of pregnancy in women undergoing mild COS and IUI cycles.
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Affiliation(s)
- G Ragni
- Infertility Unit, Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Milan, Italy
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