placenta previa

noun

placenta pre·​via -ˈprē-vē-ə How to pronounce placenta previa (audio)
plural placentae previae -vē-ˌē How to pronounce placenta previa (audio)
: an abnormal implantation of the placenta at or near the internal opening of the uterine cervix so that it tends to precede the child at birth usually causing severe maternal hemorrhage

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Cite this Entry

“Placenta previa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/placenta%20previa. Accessed 29 Jan. 2023.

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