Antenatal screening.
Smith
L
L
University of Bristol.
D002869:Chromosome Aberrations / Q000175:diagnosis; D025063:Chromosome Disorders; D003376:Counseling; D004314:Down Syndrome / Q000175:diagnosis; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards