Objective: The aim of this study was to know the adverse pregnancy outcomes and find out its association with polycystic ovary syndrome. Material and Methods: A case-control study was conducted at fertility center in Indore city from June 2014 to September 2015. The study population included seventy five women diagnosed with PCOS and 75 women without PCOS followed from early pregnancy. Incidence of gestational diabetes mellitus (GDM), pregnancy induced hypertension (PIH), preeclampsia, pre term delivery and caesarean section were determined. Statistics was done using statistical package for the social science (SPSS) 21.0. Results: The prevalence of miscarriage rate (all spontaneous losses <20 wks) was notable higher among PCOS group. The prevalence of GDM was significantly higher in women with PCOS as compared without PCOS group. The prevalence of PIH was two times higher in women with PCOS than that of women without PCOS (31.82% vs. 15.07%; p<0.05). The prevalence of preeclampsia was more among women with PCOS as compared to women without PCOS, but not significant (16.67% vs. 8.22%; p>0.05). The overall risk of pre term delivery was 27.27% in women with PCOS compared to 9.59% in women without PCOS, P<0.01. Conclusion: The incidence of GDM, PIH and pre term delivery were significantly higher in women with PCOS as compared to women without PCOS.

Keywords: Adverse Pregnancy Outcomes; Gestational Diabetes Mellitus; Polycystic Ovary Syndrome; Pregnancy Induced Hypertension.