A virgen female has a membrane covering the vaginal opening called a hymen when a penis goes in breaks the hymen you bleed
I know you wrote this over a year ago, but this may help someone else. Birth Control claims 99% to keep you from getting pregnant, but that is a lie. Birth control creates a hostile environment in your uterus (very unhealthy for you) by thinning the lining of your uterine wall. If preventative measures do not work (which are NOWHERE near that 99% claim), the pill causes an abortion by not allowing the fertilized egg to attach...thus, you expell your baby. The pregnancy is so early, you have no symptoms or even know you had conceived.Read Randy Alcorns book on birth control online for free. Take a natural progesterone to avoid pregnancy and it will be healthier for you and won't kill your baby.
Thankyou so much, I'm turning 13 and this is happen to me, I was to scared to ask my mum. So thanks so much