Pregnancy at 40 years and over.
D000328:Adult; D001724:Birth Weight; D002585:Cesarean Section; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008423:Maternal Age; D008428:Maternal Mortality; D008875:Middle Aged; D009929:Organ Size; D010298:Parity; D010920:Placenta / Q000033:anatomy & histology; D011181:Postnatal Care; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011295:Prenatal Care; D011644:Puerperal Disorders / Q000453:epidemiology; D013997:Time Factors