Before birth.
During the period between conception and childbirth.
Occurring or existing before birth; used in reference to the pregnant woman or the growth and development of the fetus; also called antenatal.
A term that refers to the fetus (baby) before birth, and also to the period of pregnancy before delivery, as in “the prenatal period” or “prenatal care” of the mother.
This expression pertains to the duration of pregnancy and is frequently used interchangeably with “antenatal.”