The genes of male and female placentas have marked differences in how they are expressed, according to a study by researchers at the National Institutes of Health (NIH) and other institutions.

The genes of male and female placentas have marked differences in how they are expressed, according to a study by researchers ...

Male-female mouse pairs consistently stayed in sync ... a professor of psychiatry at Harvard Medical School and at McLean Hospital, who was not involved in the research. "It highlights the complex ...

Estrogen is a hormone that plays a role in both the male and female reproductive systems ... what happens when the levels fluctuate, and medical uses. This type of estrogen is present in the ...