Hi, My name is Nikki and i am 19 years old. i have a 3 year old son. I have been on birth control since january of 2007. I took my last shot april of 2009. and since august me and my boyfriend have been ttc. but i have been gettin what seems to be my period ever 2 weeks..it always starts off brown and then turns to blood. am i ever going to be able to get pregnant? %-) ? Please help!