title: Health and demographic characteristics of twin births: United States, 1988.
abstract: National trends in twin birth incidence by race of child are analyzed for the period 1950-88. Also reviewed are maternal and infant health and demographic characteristics associated with twin delivery for the year 1988.
authors.affiliation: U.S. Department of Health and Human Services, National Center for Health Statistics, Hyattsville, Maryland.
authors.forename: S M
authors.initials: SM
authors.lastname: Taffel
mesh_terms: D001034:Apgar Score; D001722:Birth Order; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D012744:Sex Ratio; D014427:Twins / Q000706:statistics & numerical data*; D014481:United States