Maternal Risk Profiles and the Primary Cesarean Rate in the United States, 19912002
Eugene Declercq, PhD,
Fay Menacker, DrPH and
Marian MacDorman, PhD
Eugene Declercq is with the Maternal and Child Health Department, Boston University School of Public Health, Boston, Mass. Fay Menacker and Marian MacDorman are with the Division of Vital Statistics, National Center for Health Statistics, Hyattsville, Md.