title: False-negative trisomy 18 non-invasive prenatal test result due to 48,XXX,+18 placental mosaicism.
authors.affiliation: BGI-Shenzhen, Shenzhen, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Gao
authors.forename: D
authors.initials: D
authors.lastname: Stejskal
authors.forename: F
authors.initials: F
authors.lastname: Jiang
authors.forename: W
authors.initials: W
authors.lastname: Wang
mesh_terms: D000028:Abortion, Induced; D000328:Adult; D000649:Amniocentesis; D015193:Chorionic Villi Sampling; D002887:Chromosomes, Human, Pair 18; D019465:Craniofacial Abnormalities / Q000175:diagnosis*; D005188:False Negative Reactions; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D009030:Mosaicism / Q000196:embryology*; D011237:Predictive Value of Tests; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012729:Sex Chromosome Aberrations; D014314:Trisomy / Q000175:diagnosis*; D000073842:Trisomy 18 Syndrome