title: Will epigenetic allelic ratio analysis turn prenatal diagnosis of trisomy 18 on its EAR?
authors.forename: Diana W
authors.initials: DW
authors.lastname: Bianchi
mesh_terms: D002887:Chromosomes, Human, Pair 18; D004247:DNA / Q000032:analysis / Q000097:blood; D019175:DNA Methylation; D044127:Epigenesis, Genetic; D005260:Female; D005787:Gene Frequency; D016147:Genes, Tumor Suppressor; D006801:Humans; D010920:Placenta / Q000737:chemistry; D020641:Polymorphism, Single Nucleotide; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D011401:Promoter Regions, Genetic; D015843:Serpins / Q000032:analysis / Q000097:blood / Q000235:genetics*; D014314:Trisomy / Q000175:diagnosis*
chemical_list: C085344:SERPIN-B5; D015843:Serpins; D004247:DNA