Birth control interactions occur when medications or supplements affect how well contraception works or increase side effects. These interactions vary depending on the type of birth control you use.

Certain types of birth control methods have been associated with reduced bone mineral density. The risk may be greater in people who start taking them during adolescence. Birth control medications ...

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 ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...

Using birth control may increase the risk of developing hypothyroidism. However, some evidence contradicts these findings. The effect may relate to the type of hormone the birth control contains — ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The most commonly used and prescribed birth control pill in the U.S.

Hormonal birth control pills have transformed women’s health over the past several decades. They are used not only to prevent ...