I'm 18, never had sex, it's mainly oral and just his part rubbing against mines and kissing. My mom put me on birth control because she's afraid I'll get pregnant when I don't have sex anyways, I am on the pill now and would like to know the side effects, pros & cons? And also I been taking it I'm on the 4th row I believe, according to my calendar my period will come on in 3 days. I still have pills left for the rest of this week and then the last row - I think they're green pills, do I take those? I'm confused.