title: Rising cesarean delivery and preterm birth rates: are they related?
authors: Kenneth J
authors: KJ
authors: Leveno
mesh_terms: D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D047928:Premature Birth / Q000453:epidemiology*; D014481:United States