Pregnancy in women over the age of forty.
D000328:Adult; D000013:Congenital Abnormalities / Q000453:epidemiology; D036861:Delivery, Obstetric / Q000379:methods; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D006473:Postpartum Hemorrhage / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D014300:Trinidad and Tobago