体外受精即是将精子和卵子人为控制在体外完成受精过程发育成胚胎，再将胚胎移植给受体母亲，出生婴儿的技术。(In vitro fertilization (IVF) is a technology whereby sperm and ovum are artificially fertilized in vitro to develop into embryos, which are then transferred to the recipient mother to give birth to a baby.)
