title: Maternal serum screening.
authors.forename: M C
authors.initials: MC
authors.lastname: Klein
mesh_terms: D001007:Anxiety / Q000523:psychology*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005820:Genetic Testing / Q000523:psychology*; D006801:Humans; D008297:Male; D009436:Neural Tube Defects / Q000175:diagnosis*; D010290:Parents / Q000523:psychology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood / Q000175:diagnosis*; D011296:Prenatal Diagnosis / Q000523:psychology*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity