Childbearing at 45 and over.
D000367:Age Factors; D004314:Down Syndrome / Q000453:epidemiology; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007494:Ireland; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D011249:Pregnancy Complications, Cardiovascular