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Hello doctor,
I had a Double test with results: Down syndrome risk (ph hCG + PAPP-A + NT) is less than 1/10000 low risk (less than 1/250), risk of Down syndrome (ph hCG - PAPP-A) less than 1/10000 low risk (less than 1/250), risk of Down syndrome (age) less than 1/10000, mother 20.9 years old, pregnancy 12 week, trisomy 13/18 + NT less than 1/10000. So the doctor asked me if the Double test is dangerous for less than 1/10000? I thank you doctor.
Nguyen Thi Nhu Y (2001)
Answer
Answered by Specialist Doctor I Vo Ta Son - Women's Health Center, Vinmec Times City International Hospital.
Hello,
With the question “Is the Double test with risks less than 1/10000 dangerous? ", the doctor would like to answer as follows:
Double test is used to screen for common chromosomal abnormalities such as Down syndrome, Edwards, Patau syndrome. Usually, if the very high risk group is more than 1/10, it is necessary to have an ultrasound for early morphological assessment and a diagnostic papilloma biopsy. The low-risk group below 1/1000 only needs periodic ultrasound and no further tests are needed. For the intermediate-risk group from 1/10 to 1/1000, ultrasound and noninvasive prenatal testing (NIPT) are needed. In your case all risks are low below 1/10000, this is a good result and routine morphological follow-up ultrasound is recommended.
If you still have questions about the Double test test, you can go to a hospital under Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!
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