My bf and i have been together for 3 years and he just proposed last month i am 20 years old and we've had unprotected sex ever since our 2 year anniversary he doesn't pull out and we have sex alot but I still can't get pregnant i was diagnosed with pcos but they said that won't stop you from getting pregnant we are able to take care of a baby and although 20 is still a little young we know what we're doing please help !