Discordant results between fetal cell-free DNA in maternal plasma and chorionic villus sampling in a first-trimester fetus with increased nuchal translucency and megacystis.
Maternal-Fetal Diagnostic Center, Las Condes, Santiago, Chile.
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Sepulveda
D000328:Adult; D015193:Chorionic Villi Sampling / Q000379:methods*; D002887:Chromosomes, Human, Pair 18; D005260:Female; D006801:Humans; D048208:Nuchal Translucency Measurement / Q000379:methods*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012307:Risk Factors; D014314:Trisomy / Q000175:diagnosis*; D000073842:Trisomy 18 Syndrome; D016216:Ultrasonography, Prenatal