title: [Cell-free fetal DNA testing in prenatal genetic screening. Polish Gynaecological Society and Polish Human Genetics Society guidelines].
mesh_terms: D002474:Cell-Free System; D004247:DNA / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D005820:Genetic Testing / Q000592:standards*; D006176:Gynecology / Q000592:standards; D006801:Humans; D007318:Inservice Training / Q000592:standards; D062145:Maternal Serum Screening Tests / Q000592:standards*; D009313:National Health Programs / Q000592:standards; D009774:Obstetrics / Q000592:standards; D011044:Poland; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards*; D011785:Quality Assurance, Health Care / Q000592:standards*; D012955:Societies, Medical / Q000592:standards; D014314:Trisomy / Q000175:diagnosis
chemical_list: D004247:DNA