title: Preterm deliveries in twin pregnancies in Aberdeen.
abstract: The incidence of preterm delivery was 28.2% of all twin deliveries. Preterm delivery was common in monozygotic twins due to a high incidence of spontaneous rupture of the membranes. In addition, preterm delivery was associated more often with boy rather than girl infants.
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D007752:Obstetric Labor, Premature / Q000453:epidemiology*; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012606:Scotland; D012737:Sex Factors; D014427:Twins