[Evaluation of Down syndrome screening strategies: the French Haute Autorité de santé guidelines (June 2007)].
D004314:Down Syndrome / Q000175:diagnosis* / Q000196:embryology; D005260:Female; D005602:France; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods