If you have a vagina, you might bleed because the penetration tears the hymen. The hymen is a membrane near the opening of your vagina. Your hymen may already have a hole in it by the time you have sex for the first time. Think about it: How else would period blood come out? If your hymen is totally closed, you have a rare condition called an imperforate hymen.
Does a woman always bleed when she has sex for the first time?
How to Prevent Bleeding After Your First Time, If It Does Happen, More
Back to Women's health. The medical name for this is "postcoital bleeding". If you're concerned because you experience vaginal bleeding after sex, seek advice from your GP or a sexual health clinic genitourinary or GUM clinic. They will ask about your medical history and assess your symptoms.
If you are in the throes of passion and suddenly you spy spots of blood on the bed sheets, it can be alarming and a bit embarrassing if you're in a new relationship. Have you cut yourself? Did you miscalculate your period date? No, so why are you bleeding? Bleeding during or after sex an be unexpected and unnerving in equal measures — but there are a number of reasons this could be happening and it's unlikely to be anything serious, so try not to worry.
If you buy something through a link on this page, we may earn a small commission. How this works. Many women experience vaginal bleeding after sex at one time or another.