I need help!! I had sex like two days before ovulation...had very uncomfortable cramps a week later and now I'm two days late of my period. My boobs are very tender and sensitive. took a preg test yesterday, got a negative but I did drink alot of water a couple hours before I took the test... could I be prego?? I wanna wait til tomorrow for my period and if it dnt come I'll test again...what ya think?