n. a branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.
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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
Word Usage
""We tested this in women of all ethnic groups, and it was effective," said Roberto Romero, principal investigator of the trial and chief of the NIH's perinatology research branch."