hi doc, me and my girlfriend had sex last month September 19, 2014 and as always i withdraw with it, and accidentally it was happened again last night, she is 22 years old and i was suppose to see her throat beating and a day after i asked my mama and she said it is one of the symptoms of getting pregnant i was just afraid because of some personal problems. i think she is pregnant PLEASE HELP ME what should i do to prevent her pregnancy.