Hello,
I am 20 years old and for about 2 years I have not gotten my period. Before these two years I was very irregular, getting my period possibly 4 to 5 times a year. 3 days I had sexual intercourse for the first time and I bleed almost instantly, and at the moment I figured it was normal that I saw blood since it was my first time. It has been 3 days since and I am still bleeding very heavily. Did I randomly happen to get my period the day I had sex or did it come as a result. Furthermore, is this something I should be worried about? He didn't wear a condom the first time he penetrated me, but he did put one before he ejaculated. He was tested for STD's and he doesn't have anything, although I do not know if he has any thing else he doesn't know about.