False negativity for trisomy 18 in non-invasive prenatal testing: A case report.
Andová N; Repiská V; Priščáková P; Gergely L; Hýblová M; Minárik G · 2026 · Case reports in women's health
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
False-negative results in non-invasive prenatal testing are rare but clinically significant, particularly in the presence of biological factors such as feto-placental mosaicism. This report describes a pregnancy affected by fetal trisomy…
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Metadata source: Europe PMC · DOI 10.1016/j.crwh.2026.e00813