New research suggests certain types of hormonal contraceptives are linked to a higher risk of heart attack and stroke. Estrogen-containing contraceptives — especially the vaginal ring and skin patch — ...

A new study shows the dosage of hormones in birth control pills can be reduced by as much as 92% and still prevent ovulation. As low as 10% of the total exogenous estrogen dose in constant ...

Women’s reproductive rights in the U.S. are narrowing. Meanwhile, 46% of all pregnancies in the U.S. are unintended, pointing to the stark evidence of the enduring need for access to effective, ...

There are many different kinds of birth control and even more factors contributing to decisions about the best birth control method for you or your partner. They range from those that rely on ...

There are many different kinds of birth control—and even more factors contributing to decisions about the best birth control method for you or your partner. Some methods rely on the hormone progestin ...

Some people have concerns about the long-term effects of reversible birth control on fertility. However, no scientific evidence links reversible birth control (such as hormonal birth control pills, ...

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 — ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. New research from the University of Oxford in the United Kingdom ...

Birth control can affect hair growth. Types with more estrogen may support hair growth, while types low in estrogen or high in androgens may increase hair loss. The relationship between hormones and ...