High-risk pregnancy.
D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000517:prevention & control*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008429:Maternal Welfare; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*