Home › Words › P › perinatologyperinatologyperinatology · noun — A branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, perinatology ranks #13,493 of 42,834 for Qualifying.EtymologyFrom Ancient Greek περί (perí, “around or about”) + Latin natus + -ology.nounA branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.Definitions & examples from Wiktionary (CC BY-SA 3.0).