[A study of obstetric characteristics of women with low-birth-weight infants].
D000328:Adult; D001034:Apgar Score; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007236:Infant, Small for Gestational Age; D007723:Korea; D008423:Maternal Age; D007752:Obstetric Labor, Premature; D011247:Pregnancy; D011295:Prenatal Care; D012306:Risk