estimated date of confinement (EDC) based on date of last menstrual period (LMP)
estimated date of confinement (edc) based on date of last menstrual period (lmp)
estimated date of confinement (EDC) based on date of last menstrual period (LMP) (history)
estimated date of confinement (edc) based on date of last menstrual period (lmp) (history)