SUPERFOETATION, med. jur. The conception of a second embryo, during the gestation of the first, or the conception of a child by a woman already pregnant with another, during the time of such pregnancy.
2. This doctrine, though doubted, seems to be established by numerous cases. Beck's Med. Jur. 193; Cassan on Superfoetation; New York Medical Repository; 1 Briand, Med. Leg. prem. partie, c. 3, art. 4; 1 Fodere, Med. Leg. §299; Buffon, Hist. Nat. de l'Homme, Puberte.