The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

The male and female reproductive system The male reproductive system makes many sperm and can deliver it into the female reproductive system. The female reproductive system makes and releases ova.

The parts of the human female reproductive system. The bladder empties into the urethra but they are not part of the reproductive system ...

The U.S. Department of Health and Human Services issued guidance updating its official definitions of terms such as sex, ...

The U.S. Department of Health and Human Services has announced it will eliminate "gender ideology" from its policies, ...

The guidance defines female as a "person of the sex characterized by a reproductive system with the biological function of producing eggs (ova)," and male as a "person of the sex characterized by a ...

For the first time, Northwestern Medicine scientists have identified a population of long-lived proteins in the ovaries which likely support the stability and longevity of the female reproductive ...

Reproductive system of birds The gonads develop from two sources during embryonic development. When the nephric ridges are well established, genital ridges appear on their surface. This tissue forms ...