title: [Hazards of twin pregnancy].
mesh_terms: D000367:Age Factors; D001034:Apgar Score; D001724:Birth Weight; D001827:Body Height; D000013:Congenital Abnormalities / Q000453:epidemiology; D005260:Female; D005313:Fetal Death; D005860:Germany, West; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D007743:Labor, Obstetric; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011295:Prenatal Care; D012189:Retrospective Studies; D014427:Twins
vernacular_title: Gefährdung der Zwillingsschwangerschaft