I'm 29 and my boyfriend and I have unprotected sex. I started my period on the 29, which was a day late. My periods usually start out heavy for 2 days and then slowly taper off. This time it was still heavy the first day just not as bad as it normally is, then it was light then stopped then spotted. It ended, spotting and all, on the 3rd or 4th. Then 4 days later I went to the bathroom wiped and there was a watery light pink and maybe even light orange not sure bad lighting...what could this be?