From the 8th week onwards, the embryo is called fetus and begins to look more like a human baby. Some of his internal organs, such as the brain and kidneys, begin to work autonomously.
By Aitziber Domingo Bilbao B.Sc., M.Sc. (embryologist), Andrea Rodrigo B.Sc., M.Sc. (embryologist) and Sandra Fernández B.A., M.A. (fertility counselor).
Last Update: 02/02/2017