Analyse du parcours de dépistage prénatal des femmes ayant donné naissance en France à un enfant atteint de trisomie 21

Switching from second trimester to first trimester screening strategy, with as many trisomy 21 foetuses diagnosed with half invasive procedures fulfilled national health policy objectives. Analysis of these data gives useful insights to elaborate a future screening policy involving cell-free foetal DNA sequencing.