Advanced maternal age and pregnancy.
D000328:Adult; D000649:Amniocentesis / Q000639:trends; D000013:Congenital Abnormalities / Q000209:etiology; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D012306:Risk