question: hi i have a girlfriend she now 17, 2 years ago she wouldnt have her period for 9 months but she went to a doctor he told her she had ovarian cyst and gave her med (hormones) beginning this year she started bleeding, on april we had unprotected sex till may 20,  begining of may she would throw up nause, vomiting, headace, and bodychange. On june 8 she had a negative result on a early preg test but june and july she had early menustration on may she was late my question is will she be able to be pregnant; if not what can we do?