Hi all im new to this...but i have a question...my ovulation started 10/26 -10/31..thats suppose to be my time to ovulate...now the first day of my last period was 10/13/08...im good when it comes to my period on TIME..now i had sexual intercouse unprotected on saturday 10/25/08..and again on tuesday 10/28/08....days later(2-3)days oh my goodness i had horrible lower back pains and cramping that was killllllllllling me..as if i was going to get my period but it was only one night and thats it. we then had unprotected sexual intercourse on 11/1/08 morning........now im due for my period 11/13/08..do you think the cramping was due to early signs of menstration...i am trying to get pregnant with my fiance..please help thanks