Recent Examples of superfetation from the Web
But fetuses that appear to have different gestational ages aren't necessarily proof of superfetation.
The rare medical phenomenon is known as superfetation, in which a woman continues to ovulate after becoming pregnant.
The difference in their size was obvious in the first trimester of pregnancy and continued, leading the doctor to offer superfetation as a diagnosis.
These 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.
Origin and Etymology of superfetation
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