Scientists used rigorous methods to track 24 young women’s cycle phases and hormones while they trained for several months.

Summary: By measuring raw hormone concentrations directly from maternal blood samples during the first trimester of pregnancy, the team discovered that high maternal estrogen (oestrogen) levels at six ...

A 6–3 Supreme Court decision, split along ideological lines, upheld bans in 27 states that exclude transgender girls from girls’ and women’s sports teams.

Testosterone deficiency screening and replacement therapy will soon be on offer for active-duty service members as a military readiness initiative as part of a new military readiness program announced ...

Oestrogen levels fluctuate throughout a woman's menstrual cycle, which may impact how efficiently a drug that targets the ...

X-Men star Tyler Mane's health battle shines a light on male breast cancer. Leading oncologists explain the silent symptoms, ...

On the surface, the Supreme Court's June 30 opinion upholding state laws barring transgender girls from women's and girl's sports teams looks like a victory for women's rights.

Army researchers found that Ranger School had a greater impact on men's hormones and physiological responses than on women in the course.

Hormone levels naturally fluctuate throughout the day based on stress, sleep and physical exertion, experts say, and ...

The US Defence Secretary is championing testosterone for troops. Read more at straitstimes.com. Read more at straitstimes.com ...

The Supreme Court's ruling was almost preordained, given the years-long campaign by conservatives to demonize transgender ...