{"id":"nipt-fetal-sex","name":"Fetal Sex (Cell-Free DNA)","shortName":"Fetal sex","aliases":["Fetal Sex","Fetal Gender","Baby's Sex","Y Chromosome Detected","Gender (NIPT)","NIPT Fetal Sex","Fetal Sex Determination","Fetal Sex (cfDNA)","Cell-Free DNA Fetal Sex","Fetal Sex, Cell-Free DNA","Sex of Baby","Baby Gender","Fetal Sex Chromosomes (XX/XY)"],"abbreviations":[],"loinc":[{"code":"75693-2","primary":true},{"code":"75668-4","primary":false}],"specimen":"plasma","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A pregnancy blood test result that reports whether DNA from the baby, found in the mother's blood, includes a Y chromosome. That points to the baby's sex, but it is not perfect.","url":"https://bloodtesttracker.com/markers/nipt-fetal-sex","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}