Polycystic ovary syndrome (PCOS) Â is one of the leading causes of female infertility, affecting up to 13% of women worldwide. Many women only discover they have PCOS after months of unsuccessfully trying to conceive. The good news is that with early diagnosis and timely treatment , women in Singapore can significantly improve their chances of achieving a healthy pregnancy . What Is PCOS and How Does It Affect Fertility? PCOS is a hormonal disorder that typically begins during