su·per·fe·cun·da·tion /ˌsupɚ/
同期複孕
su·per·fe·cun·da·tion /ˌsupɝˌfɛkənˈdeʃən, ˌfɪkən-/ 名詞
同期受孕,同期複孕(指卵)
Su·per·fec·un·da·tion n. Physiol. Fertilization of two ova, at the same menstruation, by two different acts of coition.
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superfecundation
n : fertilization of two or more ova released during the same
menstrual cycle by sperm from separate acts of coitus
(especially by different males)