Hello I need some help I had sex around March 23 2012 and about a week later I had a period that was only 5 days and it was late because I was supposed to start on the 26 and normally they last for about 7 to 8 days I don't know if I'm pregnant or not I don't have insurence and the health department said they test if your 6 to 8 weeks late I took a home pregnacy test and it came back negative but I would only be like 3 to 4 weeks has anyone ever experinced this???????? Thanks and god bless