Know how to use "fewer" and "less"? Find out.
pubiotomy pu·bi·ot·o·my (pyōō'bē-ŏt'ə-mē)
Surgical severance of the pubic bone a few centimeters lateral to the symphysis, especially to increase the capacity of a contracted pelvis sufficiently to permit the passage of a fetus during childbirth. Also called pelviotomy.