Sex & Gender

Decades of data support the use and safety of puberty-pausing medications, which give transgender adolescents and their families time to weigh important medical decisions

Recent research offers a tantalizing glimpse at a future in which two men can have biological children together, but any human applications remain far in the future

Cells with XX or XY chromosomes provide researchers with a new tool to study how differences in sex chromosomes can influence health and development

Hate speech from the far right is increasing the risk of violence against LGBTQ+ people such as the Club Q shooting

Menstrual regulation has a long history in the U.S., and new techniques could get around abortion restrictions

“Normalizing” infants’ and children’s genital appearance to match a sex assigned in early age isn’t medically necessary and can negatively impact quality of life

The placenta’s invasion of the uterus holds clues to cancer resistance

Laws that ban gender-affirming treatment ignore the wealth of research demonstrating its benefits for trans people’s health

Science and science communication are better when they’re inclusive

A new adaption offers an opportunity to revisit the overlooked biology in Herbert’s classic tale

Biologists now think there is a larger spectrum than just binary female and male