At the awards ceremony at the 2018 Wildflower Triathlon, professional triathlete Kelly O'Mara wondered if she should quit her birth control pill. She was sitting with several other athletes and they ...

Hormonal birth control helps prevent pregnancy by stopping ovulation and blocking sperm. Nonhormonal methods work by physically blocking sperm or using spermicide. Hormonal options include pills, ...

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 — ...

One aspect of hormonal contraceptives' effect on the teenage body remains a mystery -- whether and how they modify the developing brain. New research in young rats links synthetic hormones found in ...

Birth control does not delay the biological onset of menopause. Menopause occurs when the ovaries stop releasing eggs and estrogen levels drop permanently, marking the end of reproductive function.

Both progestin-only and combined hormonal birth control slightly raises the chances of getting breast cancer, a new study with the University of Oxford found, but the overall risk remains low. The ...