How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and ... Finally, in a few primate species, males use aggression or the threat of aggression ...

Medical experts reveal the surprising connection between tight jeans and fertility issues, easy ways to protect your ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

CNN claimed there is skepticism about new HHS guidance that clarifies the differences between men and women, while failing to ...

A protein that restricts muscle growth also has an unexpected role in the reproductive system, studies 1 in rodents ... disease or the use of weight-loss drugs called GLP-1 agonists.

Dr. Lipshultz and Dr. Khera currently accept three fellows per year. The fellows become experts in the management of male factor infertility, making use of state-of-the-art sperm function testing, ...

Their analysis of male reproductive behavior reveals new findings. The rare males actively mated with females, just like typical males. However, genetic analysis confirmed that no male-derived ...