Superfetation definition

so͝opər-fē-tāshən
Formation or development of a second fetus when one is already present in the uterus, occurring normally in certain vertebrate species.
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The fertilization of an ovum during a pregnancy already in existence.
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Formation or development of a second fetus when one is already present in the uterus, occurring normally in certain vertebrate species.
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The formation of a fetus while another fetus is already present in the uterus.
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Other Word Forms

Noun

Singular:
superfetation
Plural:
superfetations

Origin of superfetation

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

    From Wiktionary