This article was reviewed by Julia Switzer, MD, FACOG. Estrogen vs. Progesterone: Key Menopause Hormones Explained Key ...

NEW YORK--(BUSINESS WIRE)--The Perrigo launch of their FDA approved OTC Opill is great news for women in the U.S. who rely on progesterone-only birth control pills for their contraception.

Once again I am extremely lucky to have this article co-written by a senior graduate student who's an expert on how reproductive hormones act on the brain. Stephanie Koebele is completing her Ph.D.

One of the first clues pathologists look for in tissue from a newly diagnosed breast cancer patient is the estrogen receptor, a nuclear protein that converts hormonal messages in the bloodstream into ...

Hormonal fluctuations throughout a woman's life are among the factors that most influence the immune system. Like a seesaw, ...

A new study has found an association between obstructive sleep apnea risk and low estrogen and progesterone levels in women. Middle-aged women with low levels of estrogen and progesterone are more ...

Progesterone Receptor Positive (PR+) breast cancer is a distinct biological subtype of hormone receptor positive breast cancer. This type of cancer grows in response to progesterone, a hormone that is ...