Dilation and curettage (D&C) is a procedure to remove tissue from inside your uterus. Doctors perform dilation and curettage to diagnose and treat certain uterine conditions - such as heavy bleeding - or to clear the uterine lining after a miscarriage or abortion.In a dilation and curettage - sometimes spelled dilatation" and curettage - your doctor uses small instruments or a medication to open (dilate) your cervix - the lower