involution of the uterus

in·vo·lu·tion of the u·ter·us

the process of reduction of the uterus to its normal nonpregnant size and state following childbirth.
References in periodicals archive ?
A cesarean scar "niche" occurs with involution of the uterus causing the suture line to bunch up.
Normally these infections are cured naturally by rapid involution of the uterus, discharge of the uterine contents and mobilization of the host defense including mucus, antibodies and phagocytes.