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.

From invisible wafts of diesel exhaust to sun-choking plumes of orange smoke, air pollution is known to damage respiratory well-being. Now, research suggests another reason to hold our breath: ...

Genetic conditions often result from inherited mutations passed down from one or both parents. In an inherited genetic disorder, a mutated gene is transmitted from a parent. 3 Recent developments have ...

Reproductive science plays a critical role in wildlife conservation, offering innovative tools to counteract pressures such as genetic erosion, habitat ...

Pictured is an optical section of planarian testes, showing mRNAs expressed at different stages of spermatogenesis, including early spermatogonia (magenta) and spermatocytes (yellow-to-red). DNA ...