title: The old firstborn as an obstetric and social problem.
authors.forename: P
authors.initials: P
authors.lastname: VARA
mesh_terms: D000367:Age Factors; D005260:Female; D006801:Humans; D011247:Pregnancy
keywords: PREGNANCY/age
vernacular_title: Vanha ensisynnyttäjä obstetrisena ja sosiaalisena ongelmana.