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.

Many factors influence growth and reproductive patterns in animals and people alike. New research, led by postdoctoral ...

Kangaroo reproduction is one of the strangest systems in the world as females can support joeys at several different stages ...

Since the world's first IVF baby was born almost 50 years ago, assisted reproductive technologies have advanced spectacularly to help millions of infertile couples to achieve their dreams of ...

Ultrasonic tracking in Hiroshima Bay shows that male and female black sea bream move differently during the spawning season, ...

Legacy is the leading male fertility clinic in the United States, offering at-home semen analysis, sperm cryopreservation, ...