from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The medical study of the life and development of fetuses and infants during the perinatal period.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of obstetrics concerned with the anatomy and physiology and diagnosis and treatment of disorders of the mother and the fetus or newborn baby during late pregnancy and childbirth and the puerperium
From Ancient Greek περί ("around or about") + Latin natus + -ology (Wiktionary)