I have PCOS , and have been trying for 4 years to get pregnant. My sister does not have PCOS ,but was prescribed Metformin. I was just curious..whic…" /> I have PCOS , and have been trying for 4 years to get pregnant. My sister does not have PCOS ,but was prescribed Metformin. I was just curious..whic…" /> I have PCOS , and have been trying for 4 years to get pregnant. My sister does not have PCOS ,but was prescribed Metformin. I was just curious..whic…" />