Ob-Gyn questions? Ask a gynecologist online.
This is Dr. David
are you sexually active?
sex and trauma or vaginal infection can cause bleeding.
when was your last vaginal gyn examination? if you are bleeding irregularly and sexually active, you need to get a gyn exam.
you could have a uterine fibroid which is causing the bleeding
a uterine ulrasound can check for this.
what type of birth control pill are you taking? combined pill or progesterone only pills?