Pregnancy in gravidas over age 35 years.
D036861:Delivery, Obstetric / Q000379:methods; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D007234:Infant, Premature; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk