title: Preterm delivery.
authors.forename: Niels
authors.initials: N
authors.lastname: Uldbjerg
mesh_terms: D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012307:Risk Factors