Baby boys who are exposed in the womb to a chemical used in soft plastics may show small signs of altered genital development, according to new research published today. Subscribe to read this story ...

Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study publishing ...

The results not only shed light on a previously unknown “backdoor” pathway of masculinization, but could also explain the link between placental dysfunction and disorders of male genital development.

A new study suggests a simple letter change can reverse sex development, causing a mouse with female chromosomes (XX) to develop male genitalia. The mutation responsible for the change was not in ...