A study found that prenatal cfDNA screening test results showing abnormalities unrelated to fetal chromosomes were linked to a subsequently diagnosed cancer in about 50% of cases in that subgroup.
Sources
- Prenatal test accidentally picks up cancer in 50% of those with wonky results (arstechnica.com)
- https://www.nejm.org/doi/full/10.1056/NEJMoa2401029 (nejm.org)
- https://www.nih.gov/news-events/news-releases/abnormal-prenatal-blood-test-results-could-indicate-hidden-maternal-cancers (nih.gov)
- https://pmc.ncbi.nlm.nih.gov/articles/PMC13502226/ (pmc.ncbi.nlm.nih.gov)
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