So my periods are very out of wacky my last one was June 21-24 I went to my OBGYN july 29 she said everything looked good come back in three weeks an that I was ovulating but i kind of figured cause i was.cramping pretty bad we had sex that night now the cramping went away an my nipples are hurting OB said.period should be in about two weeks my boobs never hurt two weeks.before period could I be pregnant? I mean I know I could cause I had sex I guess my question is would my nipples hurt this soon? Please help