retained placenta
condition in which all or part of the placenta or membranes remain in the uterus during the third stage of labour
en-GB/ɹɪˈteɪnd pləˈsɛntə/
en-US/ɹiˈteɪnd pləˈsɛntə/
condition in which all or part of the placenta or membranes remain in the uterus during the third stage of labour