At the meeting of the American Gynecological Society in 1926, one of us1 presented a paper on this subject, and as the discussion indicated considerable interest, we felt that it would be of value to elucidate the topic further before an audience representative of the general practitioner, who is the man most deeply concerned, rather than a group of specialists. In this paper we have followed our results for the five years from 1922 through 1926, during which time we have had 11,491 deliveries. These patients were directly under our control, and those with relatively contracted pelves were given a trial labor under one plan of treatment.
Throughout the country the rates for the incidence of cesarean section and the mortality accompanying it are too high. The primary indication for cesarean section is pelvic contraction or disproportion between the size of the child and the
mother's pelvis. The mortality