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Jin H, Yang H, Zheng J, Zhou J, Yu R. Post-trigger luteinizing hormone concentration to positively predict oocyte yield in the antagonist protocol and its association with genetic variants of LHCGR. J Ovarian Res 2023; 16:189. [PMID: 37691102 PMCID: PMC10494325 DOI: 10.1186/s13048-023-01271-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 08/30/2023] [Indexed: 09/12/2023] Open
Abstract
BACKGROUND The concentration of human chorionic gonadotropin (hCG)/ luteinizing hormone (LH) after triggering is generally accepted as a predictor of the normal ovarian response to the trigger, but few studies have explored the distribution model of concentration and its impact on oocyte yield. Genetic variations in LHCGR, known as a receptor for hCG and LH, also play a role in oocyte maturation and retrieval. The objective of the study was to investigate the impact of concentrations of hCG/LH after triggering on oocyte yield and its association with genetic variants of LHCGR. METHODS A retrospective cohort study including 372 antagonist IVF cycles, in which 205 received the recombinant hCG trigger and 167 received the gonadotropin-releasing hormone agonist (GnRH-a) trigger, was conducted. The post-trigger concentrations of hCG/LH and the LHCGR N312S (rs2293275) genotype were evaluated in patients to analyse the impact of these factors on oocyte yield. RESULTS The oocyte retrieval rate (ORR) increased significantly among the low-, medium- and high-hCG-concentration groups (0.91 ± 0.25, 0.99 ± 0.23 and 1.08 ± 0.19, P < 0.001) and among the low-, medium- and high-LH-concentration groups (0.80 ± 0.29, 0.95 ± 0.21 and 1.07 ± 0.19, P < 0.001). The Pearson correlation coefficient between the post-trigger hCG concentration and ORR was 0.242 (P < 0.001), and that between the LH concentration and ORR was 0.454 (P < 0.001). After adjustment for confounding factors, high post-trigger LH concentrations remained associated with the significantly higher ORRs (adjusted R2 = 0.541, P < 0.001). Patients with the AG genotype of LHCGR N312S were more likely to have low post-trigger LH concentrations (46.10 IU/L versus 60.91 IU/L, P < 0.001) and a significantly lower ORR (0.85 versus 0.96, P = 0.042) than patients with the GG genotype after the GnRH-a trigger. CONCLUSIONS The post-trigger LH concentration can positively predict oocyte yield in antagonist IVF cycles, and patients with the AG genotype of LHCGR rs2293275 could have a suboptimal oocyte yield using the GnRH-a trigger.
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Affiliation(s)
- Hao Jin
- The Urological Surgical Department, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Haiyan Yang
- The Reproductive Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China, No. 96, Fuxue Road, Lucheng District
| | - Jiujia Zheng
- The Reproductive Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China, No. 96, Fuxue Road, Lucheng District
| | - Jiechun Zhou
- The Reproductive Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China, No. 96, Fuxue Road, Lucheng District
| | - Rong Yu
- The Reproductive Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China, No. 96, Fuxue Road, Lucheng District.
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2
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Medwin C, Rozen G, Agresta F, Nassar N, Polyakov A. The ovarian hyperstimulation that truly matters: Admissions, severity and prevention strategies. Aust N Z J Obstet Gynaecol 2023; 63:583-587. [PMID: 37062907 DOI: 10.1111/ajo.13688] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 04/02/2023] [Indexed: 04/18/2023]
Abstract
INTRODUCTION Ovarian hyperstimulation syndrome (OHSS) is a common but serious complication of in vitro fertilisation. Despite available strategies to reduce OHSS incidence, a small proportion of patients will develop the clinically significant disease with substantial morbidity. Efforts toward better understanding and the prevention of severe disease are required to improve patient outcomes. AIMS The aims are to: (1) formulate clinically relevant OHSS classification for inpatient settings and data collection/reporting; (2) estimate OHSS prevalence requiring hospital admission in Victoria; and (3) determine the extent of OHSS preventability with clinical strategies. MATERIALS AND METHODS This retrospective cohort study included all OHSS admissions in a tertiary referral centre, January 2016-December 2021, which included approximately 40% of all cases of hospitalisation for OHSS in the State of Victoria. Patient characteristics, treatment regimes, fertility treatment outcomes, timing classification, and clinical markers of disease severity were studied. Patients were classified as having mild, moderate, or severe OHSS with a novel inpatient classification system. RESULTS Of 199 OHSS cases presenting to the tertiary institution, 107 were classified as moderate/severe, with no significant difference between age, body mass index, length of stimulation and follicle number between mild/moderate and severe groups. There were more cases of early hyperstimulation (137) compared to late (62) presentation, of which 53% were severe. The average length of stay overall was 3.1 days, and 5.2 days for severe presentations. In 15% of severe cases, an agonist trigger was used. CONCLUSIONS The overall prevalence of OHSS requiring hospital admission appears to be low (approximately 0.6% of all stimulated cycles). Established risk factors may not accurately predict clinically relevant OHSS risk. Further monitoring, clinician and patient education are required to minimise the risk of significant OHSS that results in hospital admissions.
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Affiliation(s)
- Chase Medwin
- The Royal Women's Hospital, Melbourne, Victoria, Australia
| | - Genia Rozen
- Reproductive Services Unit, The Royal Women's Hospital, Melbourne, Victoria, Australia
- Melbourne IVF, Melbourne, Victoria, Australia
- Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, Victoria, Australia
| | | | - Nassar Nassar
- Reproductive Services Unit, The Royal Women's Hospital, Melbourne, Victoria, Australia
- Melbourne IVF, Melbourne, Victoria, Australia
| | - Alex Polyakov
- Reproductive Services Unit, The Royal Women's Hospital, Melbourne, Victoria, Australia
- Melbourne IVF, Melbourne, Victoria, Australia
- Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Victoria, Australia
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3
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Chen J, Sun Q, Zhu T, Li K. Ovarian hyperstimulation syndrome and pregnancy luteoma mimicking malignant ascites: a rare case report. J Ovarian Res 2023; 16:97. [PMID: 37194026 DOI: 10.1186/s13048-023-01186-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 05/06/2023] [Indexed: 05/18/2023] Open
Abstract
BACKGROUND During pregnancy, both ovarian hyperstimulation syndrome (OHSS) and pregnancy luteoma could manifest as massive ascites, enlarged ovaries, or elevated serum levels of cancer antigen 125 (CA125), and atypical cells may be found in the ascitic fluid of OHSS patients. Whether this should be treated aggressively as peritoneal carcinomatosis is controversial. CASE PRESENTATION A 35-year-old G2P1A1 woman with secondary infertility had a successful pregnancy after one cycle of assisted reproductive technology. The patient complained of lower abdominal distension, oliguria, and poor appetite 19 days after embryo transplantation. She was diagnosed with late-onset OHSS. Although the size of the ovaries decreased bilaterally to the normal range at 12 weeks of gestation after prompt medical care, the ascites increased again after an initial decreasing trend. Elevated serum levels of CA125 (191.1 IU/mL), and suspected adenocarcinoma cells were observed in the ascitic fluid. Although further magnetic resonance imaging examination or diagnostic laparoscopy was recommended, the patient was provided with supportive treatment and closely monitored upon her request. Surprisingly, her ascites diminished, and serum level of CA125 started to decline at 19 weeks of gestation. During cesarean section, pathological examination of the solid mass in the right ovary revealed pregnancy luteoma, which was presumably the other cause of the intractable ascites. CONCLUSIONS Caution should be exercised in cases of suspicious malignant ascites during pregnancy. This may due to OHSS or pregnancy luteoma, in which abnormalities usually regress spontaneously.
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Affiliation(s)
- Jing Chen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave. Wuhan, Hubei, 430030, China
| | - Qian Sun
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave. Wuhan, Hubei, 430030, China
| | - Tao Zhu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave. Wuhan, Hubei, 430030, China
| | - Kezhen Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave. Wuhan, Hubei, 430030, China.
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4
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Yang Y, Zhu D, Wang Q, Ma C, Li D, Wang J, Zhou P, Wei Z, Peng X, Cao Y, Xu X. Frozen embryo transfer in the menstrual cycle after moderate-severe ovarian hyperstimulation syndrome: a retrospective analysis. BMC Pregnancy Childbirth 2022; 22:907. [PMID: 36474167 PMCID: PMC9724267 DOI: 10.1186/s12884-022-05239-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 11/23/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Ovarian hyperstimulation syndrome (OHSS) is a rare but serious complication of controlled ovarian stimulation. Frozen-embryo transfer (ET) is prompted to be performed in the next menstrual cycles after cancellation of fresh-ET after occurrence of OHSS. However, effects of frozen-ET in the second menstrual cycle have never been investigated. Therefore, this study aimed to assess this in the menstrual cycle after OHSS. METHODS The OHSS group included 342 women with moderate-severe OHSS who underwent the first frozen-ET in the second menstrual cycle in the First Affiliated Hospital of Anhui Medical University from June 2018 to September 2019. A total of 342 women without OHSS who received frozen-ET in the second menstrual cycle were selected as control group matched by age, body mass index, fertility history, ovulation induction scheme. Uni- and multi-variable conditional logistic regression was used to estimate the association between moderate-severe OHSS and pregnancy outcomes. RESULTS There were no significant differences in maternal outcomes (miscarriage, preterm birth and pregnancy complications including gestational diabetes mellitus, pregnancy-induced hypertension, placenta previa, premature rupture of membranes and postpartum hemorrhage) and in neonatal outcome (birth-weight and body length, neonatal congenital diseases and other complications) between the two groups in either uni- or multi-variable models. CONCLUSIONS Frozen-ET in the menstrual cycle after OHSS has similar maternal and neonatal outcomes as in women without OHSS. This study indicates that frozen-ET could be performed in the second menstrual cycle in women who recovered from moderate-severe OHSS.
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Affiliation(s)
- Yulu Yang
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Damin Zhu
- grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.412679.f0000 0004 1771 3402Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022 Anhui China
| | - Qiushuang Wang
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Cong Ma
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Danyang Li
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Jing Wang
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032 Anhui China ,Anhui Provincial Institute of Translational Medicine, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Ping Zhou
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Zhaolian Wei
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XAnhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Xiaoqing Peng
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Yunxia Cao
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China
| | - Xiaofeng Xu
- grid.412679.f0000 0004 1771 3402Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022 Anhui China ,grid.186775.a0000 0000 9490 772XNHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032 Anhui China ,grid.186775.a0000 0000 9490 772XKey Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People’s Republic of China, No 81 Meishan Road, Hefei, 230032 Anhui China
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Grynnerup AG, Løssl K, Toftager M, Bogstad JW, Prætorius L, Zedeler A, Pinborg A. Predictive performance of peritoneal fluid in the pouch of Douglas measured five days after oocyte pick-up in predicting severe late-onset OHSS: A secondary analysis of a randomized trial. Eur J Obstet Gynecol Reprod Biol 2022; 274:83-87. [PMID: 35609351 DOI: 10.1016/j.ejogrb.2022.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 04/29/2022] [Accepted: 05/08/2022] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To investigate if the amount of peritoneal fluid (PF) in the Pouch of Douglas at oocyte pick-up (OPU) or OPU + 5 days predict severe late-onset ovarian hyperstimulation syndrome (OHSS) in women undergoing ovarian stimulation for assisted reproductive technology (ART). STUDY DESIGN A secondary analysis of a dual-centre RCT on 1050 women referred for their first ART treatment in two public fertility clinics in Denmark and randomized 1:1 to GnRH-antagonist or GnRH-agonist protocol. All women from the two arms who were examined on day of OPU and OPU + 5 days were included in this study (n = 940). The ability of PF in the pouch of Douglas to predict severe late-onset OHSS was assessed by multivariate logistic regression analyses and receiver operator characteristics (ROC) curve analyses and compared with other known predictors of OHSS. The final models were cross-validated by the leave-one-out method to assess the models' generalizability. RESULTS A total of 28 (3%) women developed severe late-onset OHSS. PF in the pouch of Douglas measured on OPU + 5 days predicted severe late-onset OHSS. The optimal cut-off value was 17.5 mm at OPU + 5 days with a 61% sensitivity and 71% specificity (Area under the curve = 0.70 95% CI 0.61-0.80). PF on the day of OPU was not predictive of late on-set OHSS as the adjusted multivariate logistic regression analyses showed insignificant results. CONCLUSION Although PF in the pouch of Douglas could predict late-onset severe OHSS, the low sensitivity underlines that it is not useful as a sole marker to decide whether to perform blastocyst transfer or to use a freeze-all strategy.
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Affiliation(s)
- A G Grynnerup
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark.
| | - K Løssl
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark; Fertility Clinic, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - M Toftager
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark
| | - J W Bogstad
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark; Fertility Clinic, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - L Prætorius
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark
| | - A Zedeler
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark
| | - A Pinborg
- Fertility Clinic, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, DK-2650 Hvidovre, Denmark; Fertility Clinic, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
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6
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Chai W, He H, Li F, Zhang W, He C. Spontaneous ovarian hyperstimulation syndrome in a nonpregnant female patient: a case report and literature review. J Int Med Res 2021; 48:300060520952647. [PMID: 32985302 PMCID: PMC7536485 DOI: 10.1177/0300060520952647] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Spontaneous ovarian hyperstimulation syndrome (sOHSS) usually occurs in patients with a
spontaneous ovulation cycle, especially in those with multiple pregnancies combined with
hypothyroidism and polycystic ovary syndrome. sOHSS rarely occurs in women who are not
pregnant. A 23-year-old woman with obvious abdominal distension visited our hospital. The
patient was not pregnant and had not undergone controlled superovulation. Apart from
abdominal distension, the patient denied any symptom of obvious incentives, abdominal
pain, abnormal vaginal bleeding, or drainage. Biochemical analysis showed a high
carbohydrate antigen-125 level and low total protein and albumin levels. Abdominal
ultrasound and computed tomography showed a large amount of ascites and cystic uneven
masses with an irregular shape in the area of the ovaries and fallopian tubes.
Post-surgical histopathology indicated the diagnosis of sOHSS. Wedge resection of both
ovaries was performed. Symptomatic treatment was further performed and the patient
recovered well. Our findings indicate that sOHSS can occur in women who are not pregnant.
Additionally, besides the follicle-stimulating hormone receptor gene mutation hypothesis,
the pathogenesis of sOHSS should be further studied.
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Affiliation(s)
- Wei Chai
- Department of Gynecology and Obstetrics, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Hongyu He
- Operating Theater and Department of Anesthesiology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Fei Li
- Department of Gynecology and Obstetrics, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Wenlei Zhang
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Chao He
- Department of Gynecology and Obstetrics, The First Hospital of Jilin University, Changchun, Jilin, China
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