[Medicosocial factors in the etiology of premature childbirth].
D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008429:Maternal Welfare; D011247:Pregnancy; D047928:Premature Birth; D012924:Social Conditions
INFANT, PREMATURE; MATERNAL WELFARE; SOCIAL CONDITIONS