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 ...

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 — ...

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 ...

Almost two-thirds of U.S. women of reproductive age use some kind of contraception, according to the latest federal data. And millions of them use methods that contain hormones, including birth ...

As an OB-GYN training to be a complex family planning subspecialist at UC San Diego, I have seen misinformation about ...

There are more safe and effective options than ever before but what’s safe for one person may not be the best option for ...

Some research suggests hormonal birth control can affect mood, stress, and overall mental health. The potential impact varies by method and from person to person. All hormonal birth control methods ...

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 ...

The hours between dinner and bedtime represent a critical window that shapes hormonal patterns far more than most people realize. While daytime habits receive abundant attention, emerging research ...

Matthew Treviño and Emily Fletcher have been participating in a clinical trial at UC Davis Health to test a reversible hormonal birth control gel for men. (Karin Higgins/UC Davis) Matthew Treviño and ...