Prematurity.
D005260:Female; D005316:Fetal Distress / Q000517:prevention & control; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature / Q000401:mortality / Q000517:prevention & control*; D011247:Pregnancy