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DNA Labs India

Medical Insights & Research

Expert-authored articles reviewed by our medical board

Double Marker Test: Price, Purpose, and What to Expect
Reproductive & Prenatal Health•Sep 09, 2026

Double Marker Test: Price, Purpose, and What to Expect

Learn about the Double Marker Test: purpose, procedure, cost (₹800-₹1,200), turnaround time, and how it screens for Down syndrome, Edwards syndrome, and Patau syndrome.

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Nitin Yadav
If a Pregnancy Test is Negative Today, Can it be Positive Tomorrow? Understanding hCG and Test Timing
Reproductive & Prenatal Health•Sep 09, 2026

If a Pregnancy Test is Negative Today, Can it be Positive Tomorrow? Understanding hCG and Test Timing

It is possible for a pregnancy test to show a negative result one day and a positive result the next day. There are several factors that can cause this change, such as the timing of the test in relation to ovulation and implantation, the concentration of the hormone hCG in the urine, and the sensitivity of the pregnancy test. It is important to follow the instructions of the pregnancy test and, if in doubt, consult with a healthcare professional for further guidance.

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Nargis Sultana
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