yes the debut of sexual activity can cause tiny little tears or fissures in the delicate tissue in or at the entrance to your vagina. and these can bleed a bit. the only way to determine the exact source of this blood is to be examined of course.
is it normal to keep spotting a couple days after losing your virginity? . it stopped with in a few hours afterward. then two days later started up again. how worried should i be? and yes i am on the pill.