Evidence shows that birth control pills containing the hormones estrogen and progestin can increase the risk of different types of cancers and decrease the risk of others. Since 1999, the World Health ...

1 in 4 sexually active women has used injectable birth control, administered into the muscle by a clinician, but many may be unaware of its association with meningioma, the most common brain tumor in ...

While birth control is typically safe to use, there are side effects beyond the short-term concerns about weight gain or breakthrough bleeding. Some of these risks are limited by the type of birth ...