From the Centers for Disease Control and Prevention. Increasing incidence of low birthweight--United States, 1981-1991.
D000328:Adult; D001741:Black or African American / Q000706:statistics & numerical data; D005260:Female; D005865:Gestational Age; D006801:Humans; D015994:Incidence; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D011247:Pregnancy; D014481:United States / Q000453:epidemiology; D044465:White People / Q000706:statistics & numerical data