title: Accounting for pregnancy dependence in epidemiologic studies of pregnancy outcomes.
authors.forename: J
authors.initials: J
authors.lastname: Olsen
authors.forename: P K
authors.initials: PK
authors.lastname: Andersen
mesh_terms: D015986:Confounding Factors, Epidemiologic; D016021:Epidemiologic Studies; D005260:Female; D006801:Humans; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D011256:Pregnancy Outcome; D017584:Reproductive History