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Korean Journal of Obstetrics & Gynecology 2009;52(1):75-82.
Published online January 1, 2009.
The effect of body mass index of on the outcome of in vitro fertilization and embryo transfer in patients with polycystic ovary syndrome.
Gyun Ho Jeon, Chung Hoon Kim, Eu Gene Kim, So Ra Kim, Sung Hoon Kim, Hee Dong Chae, Byung Moon Kang
Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea. chnkim@amc.seoul.kr
Abstract
OBJECTIVE
This study was performed to evaluate the effect of body mass index (BMI) on the outcome of in vitro fertilization and embryo transfer (IVF-ET) in patients with polycystic ovary syndrome (PCOS). METHODS: Ninety-six patients with PCOS who completed their first cycle of IVF-ET were included in this retrospective study. All patients were stimulated by GnRH antagonist multi-dose protocol. The patients were divided into one of two groups on the basis of BMI > or =23 kg/m2 vs. BMI <23 kg/m2, and their outcome of IVF-ET was compared. Additionally the patients with BMI > or =23kg/m2 were divided into patient group with 23 < or =BMI <25 kg/m2 and patient group with BMI > or =25 kg/m2, and these three groups were also compared in regard to the outcome of IVF-ET. RESULTS: The total amount and duration of rhFSH administration were significantly higher in PCOS women with BMI > or =23 kg/m2 than in those with BMI <23 kg/m2 (P<0.001 in both). The implantation rate was significantly lower in women with BMI > or =23 kg/m2 (17.4% vs 7.8%, P=0.024). When compared three group divided on the basis of BMI <23 kg/m2 vs BMI 23~25 kg/m2 vs BMI > or =25 kg/m2, similar results were showed in women with BMI > or =25 kg/m2, although implantation rate in women with BMI > or =25 kg/m2 was lower with borderline significance (P=0.069). CONCLUSION: Obesity (BMI > or =23 kg/m2) has a detrimental effect on implantation rate and is associated with the increased total amount and duration of rhFSH administration for ovarian stimulation in IVF-ET cycle. Consequently BMI may be a predictor for IVF outcomes in patients with PCOS.
Key Words: Body mass index, Polycystic ovary syndrome, In vitro fertilization and embryo transfer


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