Hi i have 3 kids, me and my husband have been trying to conceive, i was on the depo shot my last shot was around oct. 2011 didnt take it again in dec. when it was due. so now me and my hubby been trying again, my period is not normal, in jan i started the 25, and in feb i started the 15, now im done w my period but when i been having sex with my hubby everyday now, after the next day i spot brownish, is something wrong with me should i get checked out, and i dont know when im fertile to conceive, now since my period came early.