If you've ever gotten a surprise period or had multiple days of unexpected spotting, you're experiencing something called breakthrough bleeding. Many things can cause breakthrough bleeding, including ...

If you go on a hormonal form of birth control, you might expect it to help with pesky bleeding. But breakthrough bleeding is a common side effect of contraceptive use. It might just be some light ...

Once-weekly use of an approved hemophilia A infusion therapy cut bleeding in adults and children for whom preventive treatment wasn't enough.

Occasional vaginal or anal spotting usually isn’t cause for concern. Penile bleeding, however, usually occurs from an underlying injury or infection. Light bleeding during sexual activity often occurs ...

Medically reviewed by Renita White, MD Key Takeaways Implantation bleeding is usually light pink or rust-colored, while ...

Dysfunctional uterine bleeding (DUB) involves changes to menstruation patterns, such as changes in regularity, duration, or flow. DUB can happen for many different reasons. Dysfunctional uterine ...