i had an abortion and 3 weeks later my boyfriend and i were messing around with each other.he put his penis down at my vagina but it didnt go in and it was only for a couple of seconds.a couple of weeks later i got my period just as the doctor said i would and two weeks later i got another period but it was brown.i went to the doctor to get put on the injection on the 1st day of this period.im still nervous about being pregnant after what i went through last time not to mention my family.can anyone please give me some advice as to if i am or not?