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Surgical Research and New Technique ›› 2021, Vol. 10 ›› Issue (3): 162-166.doi: 10.3969/j.issn.2095-378X.2021.03.002

• Original article • Previous Articles     Next Articles

Clinical outcomes of patients with oocyte retrieval after ovarian torsion caused by ovarian stimulation

YIN Zhe, CHEN Qizhen, FU Xiayan, JIAO Yufan, JI Yazhong, WANG Yanqiu   

  1. Reproductive Medicine Centre, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China
  • Received:2021-03-19 Online:2021-09-28 Published:2022-08-22

Abstract: Objective To investigate the differences in clinical outcomes of in vitro fertilization (IVF) and embryo transfer (ET) ovarian stimulation treatment between the patients with or without ovarian torsion. Methods Five patients with oocyte retrieval after ovarian torsion caused by ovarian stimulation who underwent IVF treatment in the Reproductive Medical Center of Tongji Hospital of Tongji University from December 2010 to December 2020 were selected as ovarian torsion group. Another 20 infertile patients without ovarian torsion were selected as control group. The clinical general characteristics, laboratory examination results, ovulation induction, embryo development, and maternal clinical outcomes were compared between the two groups. Results There were no significant differences in age, body mass index (BMI), antral follicle count (AFC), infertility years, basic sex hormone levels,gonadotropin (Gn) days, Gn doses, mature follicle numbers of the trigger day, estrogen (E2) level of the trigger day, low quality embryo numbers, normal fertilization rate, high quality embryo rate, average number of embryos transfer per cycle, clinical pregnancy rate, abortion rate, live birth rate, gestational weeks of delivery, and birth weight between the two groups (P>0.05). The number of oocytes retrieved [(14.8±4.8) vs.(24.8±6.3)], the number of D3 embryos [(8.6±1.5) vs.(14.8±5.7)], and the number of high quality embryos [(3.2±1.9) vs.(6.8±3.2)] in the ovarian torsion group were significantly lower than those in the control group (P<0.05). Conclusion Oocyte retrieval and abdominal exploration are economical, safe, and effective for the patients with early ovarian torsion who underwent IVF treatment. During the ovulation induction therapy, the stimulation responses of patients to drugs should be closely monitored to reduce the occurrence of various complications.

Key words: In vitro fertilization and embryo transfer, Ovarian torsion, Fertility preservation, Pregnancy outcome

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