Superfetation Definition

so͝opər-fē-tāshən
noun
The fertilization of an ovum during a pregnancy already in existence.
Webster's New World
Formation or development of a second fetus when one is already present in the uterus, occurring normally in certain vertebrate species.
American Heritage Medicine

Other Word Forms of Superfetation

Noun

Singular:
superfetation
Plural:
superfetations

Origin of Superfetation

  • From Latin superfetare (“conceive while pregnant"), from super- +"Ž fetus.

    From Wiktionary

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superfetation