superfetationn. 異期復孕、重孕異期復孕(指卵)學術名詞重複受孕：動物學、實驗動物及比較醫學重孕：動物學重複受粉：動物學異期複孕：實驗動物及比較醫學英文釋義fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time