Some girls bleed the first time they have sex, but not all girls do. The reason why some girls bleed the first time they have sex is because the , a very thin piece of skin-like tissue that stretches partly across the opening of the vagina, breaks or tears. Some girls are born without much of a hymen. Other girls' hymens cover a large portion of the vagina's opening. It all depends on the girl.
Whether a girl bleeds also partly depends on whether the hymen is broken or torn before sex. It is possible for this to happen from vigorous physical activity; tampon insertion; masturbation or fingering.
Remember to always use a condom every time you have sex, including the first time, to help protect against pregnancy and sexually transmitted diseases (STDs).
This comprehensive health information, part of the Kohl's "Just for Kids" C.A.R.E. (Child Advocacy Regional Education) Program, is made possible by generous support from Kohl's Department Stores in partnership with the Children's Hospital Foundation.