title: What is the population-based risk of preterm birth among twins and other multiples?
authors.affiliation: Infant and Child Health Studies Branch, Centers for Disease Control and Prevention, Hyattsville, Maryland 20782, USA.
authors.forename: J L
authors.initials: JL
authors.lastname: Kiely
mesh_terms: D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature / Q000453:epidemiology*; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data*; D012306:Risk; D014310:Triplets; D014427:Twins; D014481:United States