The elderly primipara.
D000328:Adult; D001131:Arkansas; D002585:Cesarean Section; D005260:Female; D005315:Fetal Diseases / Q000453:epidemiology; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D008423:Maternal Age; D008875:Middle Aged; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*