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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 ?
According to experts, the exact odds of the phenomenon, called heteropaternal superfecundation, are difficult to calculate.
In a second observation of a case of superfecundation, he noticed that the twins possessed two antigens each that could not have been inherited from their respective sires or the dam but could have been obtained from the cosire.
The phenomenon is known as superfecundation, in which the second child is conceived days after the first.