Polycystic ovarian syndrome (PCOS) is one of the most common causes of female infertility, affecting an estimated 5 million women. 1 But you can become pregnant with PCOS. There are many effective fertility treatments available from clomid to gonadotropins to IVF. Most women will be able to conceive with a combination of lifestyle changes and fertility drugs. While some women with PCOS will require IVF, the great majority will become pregnant using low-tech fertility treatments. Lose weight t...