I amd my boy friend had un protected sex on 4th day of my period. He has pulled out when he as released the sperm but I am not sure if it has entered into my body or not. After our intercourse I have had bleeding. Its ben 4 days after our sex. I am afraid if I am pregnant. I have taken pregnancy test at home after 4 days and the result was negative. Could anybody suggest if there are any chances of getting pregnancy and how to remove it