title: Maternal age-specific costs of detecting Down syndrome and neural tube defects.
mesh_terms: D003365:Costs and Cost Analysis; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis / Q000191:economics*