placentation
noun
pla·cen·ta·tion
ˌpla-sᵊn-ˈtā-shən 
plə-ˌsen-
Examples of placentation in a Sentence
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Another possible cause for higher hormone levels leading to excessive nausea is something called abnormal placentation, where the placenta overgrows, says Liu, adding that this happens only occasionally.
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Miriam Falco and Alanne Orjoux, CNN, 4 Sep. 2017
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Miriam Falco and Alanne Orjoux, CNN, 4 Sep. 2017
Cite this Entry
“Placentation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/placentation. Accessed 29 Oct. 2025.
Copy CitationMedical Definition
placentation
noun
pla·cen·ta·tion
ˌplas-ᵊn-ˈtā-shən, plə-ˌsen-
1
: the development of the placenta and attachment of the fetus to the uterus during pregnancy
2
: the morphological type of a placenta
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