title: Testing cell-free fetal DNA emerges as trisomy screen of choice: Informing women about selective use of test beyond fetal sex and common aneuploidies is encouraged.
mesh_terms: D002474:Cell-Free System; D004247:DNA / Q000235:genetics*; D056915:DNA Copy Number Variations; D005333:Fetus / Q000378:metabolism*; D006801:Humans; D011296:Prenatal Diagnosis; D014314:Trisomy / Q000175:diagnosis*
chemical_list: D004247:DNA