Fetal Trisomy 21 risk Based on maternal age
Down syndrome tests check whether a developing fetus may have Down syndrome, a chromosome disorder caused by having an extra copy or piece of chromosome 21.
Down syndrome tests check whether a developing fetus may have Down syndrome, a chromosome disorder caused by having an extra copy or piece of chromosome 21.
Down syndrome tests are used for several purposes during and after pregnancy. Each test works in a different way and is done at specific times.
Source: MedlinePlus, U.S. National Library of MedicineNormal range
No published reference range from a named lab yet.
- Part of
- First trimester maternal screen panel · Second trimester quad maternal screen panel
- Code
- LOINC 49090-4
- Also called
- Down's syndrome, Downs, Down syndrome, ds, Ts
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