Definition of placenta previa in English:

placenta previa

Syllabification: pla·cen·ta pre·vi·a
Pronunciation: /pləˈsentə ˈprēvēa
 
/
(British placenta praevia)

noun

Medicine
  • A condition in which the placenta partially or wholly blocks the neck of the uterus, thus interfering with normal delivery of a baby.
    More example sentences
    • As with placental abruption, placenta previa can result in the birth of a premature baby.
    • We sent questionnaires to the 220 clinical tutors of the Royal College of Obstetricians and Gynaecologists in England and Wales to survey the antenatal management of asymptomatic placenta praevia.
    • The diagnosis of placenta previa is very common in the second trimester, but more than 95% of these do not have placenta previa at delivery.

Origin

early 19th century: from placenta and Latin praevia 'going before'.

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