(redirected from Heteropaternal superfecundation)
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 (so͞o′pər-fē′kən-dā′shən, -fĕk′ən-)
Fertilization of more than one ovum within a single menstrual cycle by separate acts of coitus, especially by different males.


(Physiology) physiol the fertilization of two or more ova, produced during the same menstrual cycle, by sperm ejaculated during two or more acts of sexual intercourse


(ˌsu pərˌfi kənˈdeɪ ʃən, -ˌfɛk ən-)

the fertilization of two or more ova from the same ovulation.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.superfecundation - fertilization of two or more ova released during the same menstrual cycle by sperm from separate acts of coitus (especially by different males)
fecundation, fertilisation, fertilization, impregnation - creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant


n. superfecundación, fertilización sucesiva de dos óvulos que pertenecen al mismo ciclo menstrual en dos actos sexuales distintos.
References in periodicals archive ?
Known as heteropaternal superfecundation, it happens when a woman who produces two eggs has sex with different men and each man fertilises one egg each
The phenomenon, called heteropaternal superfecundation, is common in stray cats and dogs but is rarely seen naturally in other species.