Increased risk of cesarean delivery with advancing maternal age: indications and associated factors in nulliparous women.
D000328:Adult; D017677:Age Distribution; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D015994:Incidence; D007751:Labor, Induced / Q000706:statistics & numerical data*; D008423:Maternal Age; D008875:Middle Aged; D007744:Obstetric Labor Complications / Q000453:epidemiology* / Q000209:etiology; D010298:Parity; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D012042:Registries; D018570:Risk Assessment; D012307:Risk Factors