My girl friend finished her menstruation on the 31st of July, I had unprotected sex with my girl friend on the 1st of August 2014, she was a virgin, during the sexual intercourse she bleed a little which later stopped that day. After the sex she took postinor 2. On the 5th of August, she started observing drops of blood from her vaginal, on the 6th it was no more drops, but flow of blood. I don t really know what could be wrong with her because its not normal