hello there... i need help. Please do not judge for i know what i did was wrong. I am 23 weeks pregnant... and im scared my boyfriend is not the father... i cheated on him in june. , on june 10th. and got told i was five weeks pregnant on ``august 12 2009 . i remember having a period after that situation , i remember it being heavy , which was normal for me. .can anybody estimate the day i had sex to get pregnant. my due date is april 7. 2010. and maybe when i had my period as well. thanks to all. please be respectful and know that we all make mistakes. thanks.