English dictionary
superfetation
/,s/u/p/@/rf/i/'t/eI//S//@/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time
ExamplesSuperfetation is normal in some animal species.
Source: WordNet 3.0
-
The formation of a fetus at the result of an impregnation occurring after another impregnation but before the birth of the offspring produced by it. This is possible only when there is a double uterus, or where menstruation persists up to the time of the second impregnation.
Source: webster1913