title: Epidemiology of preterm birth.
authors.affiliation: Department of Obstetrics, Gynecology and Reproductive Science, Mount Sinai School of Medicine, New York, NY 10029.
authors.forename: G S
authors.initials: GS
authors.lastname: Berkowitz
authors.forename: E
authors.initials: E
authors.lastname: Papiernik
mesh_terms: D001723:Birth Rate; D005060:Europe / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D012307:Risk Factors; D014481:United States / Q000453:epidemiology