Hello doctors.. Today its 31 jan 2016 ..im 19 years old and my girlfriend is also 19 years . Today we had unprotected sex . But ,i ejaculated outside far from vagina . I pulled off my penis 10 seconds before and then ejaculated . It was our first sex . She felt pain after sex. But,i think its normal. Im worried about pregnancy. And she also quite worried. My girlfriends periods comes between 9 and 10 of every month. So to avoid pregnancy i bought "I pill " for birth control. And she is going to take it tommorow morning. Can you please help me with my worries. Am doing right by giving her pill fr birth control.. How can i make sure that she isnt pregnant . Kindly do gove answers to my questions.. Thank you