13 weeks pregnant mother

Question: What is dual marker test? And why it is done?

2 Answers
Question
Answer: Hello dear. Double marker test is screening blood test in pregnancy. ... So after an NT scan, after which you measure the amount of fluid at the back of the neck of the fetus and with the results, this double marker blood test is done and both the combined, and given a combined result as screen positive or negative. It is usually done after 8 weeks of pregnancy up to 14 weeks. Take care.
  • avatar
    Saira D'souza95 days ago

    What does screen positive or negative mean?

Answer: Hi.. Dear Dual marker test helps in assessing whether the unborn baby is at risk for any mental disorder. It is used primarily for the detection of Down syndrome. Double Marker Test also helps to detect Trisomy 18, that results in mental retardation and severe birth defects...
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