Definition of Prenatal

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Prenatal: Occurring or existing before birth.

Prenatal care is the regular health care women should receive from an obstetrician or midwife during pregnancy.

Prenatal development is the growth of a single-celled zygote formed by the combination of a sperm and an egg into a baby.

Prenatal diagnosis is diagnosis before birth by techniques such as ultrasound, chorionic villus sampling (CVS), and amniocente+D13sis.

The word "prenatal" comes from the Latin "pre-," before + "(g)natus," birth = before birth. "Antenatal" is often used in lieu of "prenatal" in the UK, Australia, etc.