superfetation
noun
su·per·fe·ta·tion
| \ ˌsü-pər-fē-ˈtā-shən
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Definition of superfetation
: a progressive accumulation or accretion reaching an excessive degree
Examples of superfetation in a Sentence
Recent Examples on the Web
But fetuses that appear to have different gestational ages aren't necessarily proof of superfetation. — Health.com, "Yes, You Can Get Pregnant While Already Pregnant. We Asked a Doctor to Explain," 2 Nov. 2017 The rare medical phenomenon is known as superfetation, in which a woman continues to ovulate after becoming pregnant. — Char Adams, PEOPLE.com, "Surrogate Mom Who Gave Birth to Biological Son Says Couple ‘Wanted Me to Buy My Child’," 1 Nov. 2017 The difference in their size was obvious in the first trimester of pregnancy and continued, leading the doctor to offer superfetation as a diagnosis. — C. Claiborne Ray, New York Times, "Pregnancy Upon Pregnancy," 27 Feb. 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superfetation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for superfetation
superfetation
noun
su·per·fe·ta·tion
variants:
or chiefly British superfoetation \ ˌsü-pər-fē-ˈtā-shən
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Medical Definition of superfetation
: successive fertilization of two or more ova of different ovulations resulting in the presence of embryos of unlike ages in the same uterus