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ORIGINAL ARTICLE
Year : 2018  |  Volume : 2  |  Issue : 2  |  Page : 105-110

Logistic Regression Analysis of Risk Factors Associated with Spontaneous Abortion after In Vitro Fertilization/Intracytoplasmic Sperm Injection-Embryo Transfer in Polycystic Ovary Syndrome Patients


Reproductive Medicine Center, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510655, China

Correspondence Address:
Xiao-Yan Liang
Reproductive Medicine Center, The Sixth Affiliated Hospital of Sun Yat-Sen University, 17 Shougouling Road, Tianhe District, Guangzhou 510655
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2096-2924.242758

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Objective: To analyze spontaneous abortion rate and its associated risk factors in patients with polycystic ovary syndrome (PCOS) after in vitro fertilization/intracytoplasmic sperm injection-embryo transfer (IVF/ICSI-ET). Methods: This was a retrospective cohort study on 2,231 PCOS patients undergoing IVF/ICSI treatment. For comparison, we enrolled another 2,231 patients with tubular factors in control group. Spontaneous abortion rate and chromosomal abnormality rate were compared between the two groups. Furthermore, clinical data were compared between the patients with spontaneous abortion and those with ongoing pregnancy using univariate and multivariate analysis for risk factors of spontaneous abortion in PCOS patients. Results: Patients in the PCOS group had significantly higher spontaneous abortion rate (24.15%) than that in the control group (12.75%, P < 0.001). Chromosomal abnormality rate was significantly lower in the PCOS group (36.05%, 31/86) than in the control group (55.56%, 50/90, P = 0.009). In the PCOS group, patients with spontaneous abortion had significantly elder age, higher body mass index (BMI), and homeostasis model assessment for insulin resistance (HOMA-IR) than those with ongoing pregnancy. The logistic regression analysis confirmed that the age, BMI, and HOMA-IR were the risk factors of spontaneous abortion in the PCOS patients. There were no significant differences between groups in the type of cycles, the quality of embryos transferred, the number of embryos transferred, fasting blood glucose, fasting insulin, and so on. Conclusions: Compared with non-PCOS patients, PCOS patients had higher spontaneous abortion rate, but the chromosomal abnormality was not a major factor for the high spontaneous abortion rate in the PCOS patients. Age, BMI, and HOMA-IR were risk factors for spontaneous abortion after IVF/ICSI-ET in PCOS patients.


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