Thursday, March 24, 2011

Triple test screening for down syndome

This test measures 3 hormones:
  • AFP (alpha fetal protein)
  • HCG
  • Estriol
This helps to screen for down syndrome and AFP helps to screen for neural tube defects.
The mother undergoes a blood test between 14 weeks to 20 weeks. The blood test results generally takes a few days to be available.
The detection rate for down syndrome is about 65%

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