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.

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Companies are racing to accelerate and commercialize in-vitro gametogenesis, or IVG, which would make human eggs and sperm in the lab from any cell in the body containing anyone's DNA. One of the most ...

Yu Leqian, a professor at the Institute of Zoology under the Chinese Academy of Sciences and head of the human embryo model ...

BEIJING, May 11, 2026 /PRNewswire/ -- Since the world's first IVF baby was born almost 50 years ago, assisted reproductive technologies have advanced spectacularly to help millions of infertile ...