placenta previa
noun
placenta pre·via
-ˈprē-vē-ə 
plural placentae previae
-vē-ˌē
: 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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“Placenta previa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/placenta%20previa. Accessed 26 Nov. 2024.
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