title: Epidemiology of preterm birth.
authors.affiliation: Dugald Baird Centre, Department of Obstetrics and Gynaecology, University of Aberdeen.
authors.forename: Janet
authors.initials: J
authors.lastname: Tucker
authors.forename: William
authors.initials: W
authors.lastname: McGuire
mesh_terms: D001724:Birth Weight; D005260:Female; D005322:Premature Rupture of Fetal Membranes; D005865:Gestational Age; D006801:Humans; D007752:Obstetric Labor, Premature / Q000453:epidemiology* / Q000209:etiology; D011247:Pregnancy; D011256:Pregnancy Outcome; D011272:Pregnancy, Multiple