my husband and i are trying to have a baby my first day of my LMP was july 13, 2010 and we had sex the whole time i was ovulating now my period is not due till august 10, 2010 but about two days ago my breast started being very tender and i began cramping on and off nothing major just small ones. also i am lactose and i have been drinking milk this whole week and with in 30mins of me drinking milk it usualy has me running to the bathroom but since tuesday i have been drinking milk and hadnt have to run to the bathroom i honestly only went about once this week.does any one have any idea's on what could be going on?