- the fertilization of an ovum in a female mammal already pregnant.
Origin of superfetation
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Examples from the Web for superfetation
Superfetation has occurred by coition during pregnancy, and this results commonly in abortion and the death of both fetuses.The Ethics of Medical Homicide and Mutilation
- physiol the presence in the uterus of two fetuses developing from ova fertilized at different times
C17 superfetate, from Latin superfētāre to fertilize when already pregnant, from super- + fētāre to impregnate, from fētus offspring
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