10 weeks pregnant mother

Question: How double marker test is done?

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Question
Answer: Its a Basic blood test to chk hormone parameters. On based that any deformity or abnormality is detected in baby. Ultrasnd helps in support of the blood test results. Though these tests have.80% accuracy but false positives can also happen.Dont worry its fine.
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Question: How is double marker test done?
Answer: Hello dear.. double marker test is a screening blood test in pregnancy,so after an NT scan,which you measure the amount of fluid at the back of the neck of fetus,and with the result,this double marker blood test is done,and both are combined,combined result will give you screen positive or negative
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