During the first trimester of pregnancy, prenatal screenings provide valuable insights into your baby's health and development. Among these, a key blood test recommended by obstetricians between the 11th and 14th weeks is the screening for chromosomal anomalies. Expectant mothers often ask: what is a double marker test and why is it important for my pregnancy?
This comprehensive guide details the purpose of the double marker test, explains how the results are calculated, outlines the normal reference ranges, and shares next steps if a high-risk result is detected.
Purpose of the Double Marker Test
The double marker test pregnancy screening measures Free Beta hCG and PAPP-A in maternal blood. Combined with an NT (Nuchal Translucency) ultrasound, it calculates a risk ratio for Down syndrome, Trisomy 18, and Trisomy 13. Low risk indicates a normal profile, while high risk requires further diagnostic tests like Amniocentesis or NIPT.
Plan Your Prenatal Care
Getting timely prenatal screenings is the key to a healthy pregnancy. If you want to schedule your first-trimester double marker test or consult an obstetrician, you can schedule a prenatal consultation at Pravi Global IVF.
Conclusion
Understanding the role of the double marker test pregnancy screening helps expectant mothers make informed decisions about their prenatal care. Our clinical team provides comprehensive prenatal screening packages. Contact Pravi Global IVF today to schedule your evaluation.

Medical Reviewer
Dr. Monica Sachdev
Dr. Monica Sachdev is a leading IVF specialist in Delhi with over 18 years of experience in reproductive medicine. She is dedicated to providing evidence-based fertility care and has helped thousands of families achieve parenthood.
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