title: Seasonal differences in pregnancy outcomes: United States, 1971-1989.
authors.affiliation: Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341-3724.
authors.forename: P W
authors.initials: PW
authors.lastname: Stupp
authors.forename: C W
authors.initials: CW
authors.lastname: Warren
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D010507:Periodicity; D011247:Pregnancy / Q000208:ethnology / Q000706:statistics & numerical data*; D011256:Pregnancy Outcome / Q000453:epidemiology*; D012621:Seasons; D014481:United States / Q000453:epidemiology