abdominal gestation UK /æbˈdɒm.ə.nl̩ d͡ʒɛˈsteɪ.ʃn̩/US /æbˈdɑm.ə.nl̩ d͡ʒɛˈsteɪ.ʃn̩/ noun1 •A pregnancy outside of the uterus, and within the abdominal cavity. formsabdominal gestations