The placenta and the hormones it produces may have played a crucial role in the evolution of the human brain, while also leading to the behavioral traits that have made human societies able to thrive ...

Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...

A brand new type of male contraceptive has begun its first trial, and unlike many contraceptives, doesn't involve any hormones. A group of 16 British men are involved in the trial of the pill, which ...

Women taking certain types of hormonal contraceptives may be more likely to develop venous thromboembolism (VTE) if they’re also taking a nonsteroidal anti-inflammatory drug (NSAID), observational ...

In recent years, a spate of potential male contraceptive options have cropped up. From a hormonal gel that lowers testosterone production to a non-hormonal pill that blocks the creation of vitamin A, ...

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.

Natural family planning, barriers, hormonal methods, copper IUDs, and permanent sterilization have varying degrees of effectiveness. Family planning involves tracking fertility cycles and sexual ...