A surgical operation to divide the pubic bone during labour, in order to make the pelvis wide enough for the child to be born safely.
An operation to divide the pubic bone near the symphysis, the front midline where the left and right pubic bones meet. Pubiotomy is performed during childbirth if it is necessary to increase the size of an abnormally small pelvis to allow passage of the child.
A surgical procedure that involves cutting the pubic bone to widen the birth canal during challenging labor. It’s rarely done nowadays.