The normal values of double marker test is 1:60. This basically means that a given patient is at a lower risk of getting the Down's Syndrome.
Double marker test is done by blood test.
Tripple Marker Test is only for down's syndrome, where as TIFFA scan is used to check for all anomalies. TIFFA is the acronoym for "Targeted Imaging for. Fetal Anomalies". It covers a wide area compared to Tripple marker which is only for down's syndrome. In short, Yes TIFFA scan is required and there is no guarantee that TIFFA should be normal when Tripple Marker is normal.
apollo clinic
1:40
Panic values are test results that are very high or very low from the normal range.
Ghanta
carcinoembryonic antigen, it is a tumor marker test.
Conclusions based on tumor marker tests are seldom based on one test result but on a series of test results, called serial measurements. A series of increasing or decreasing values is more significant than a single value.
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That means you have a serious anemia, normal values are usually 12-16 depending on your gender.
Tumor marker tests usually require 5-10 mL of blood.
Different institutions use different normal values and they depend necessary intervention from this (and other test). Another thing to consider is what will be the unit of measurement. In terms of cm3, Normal value is 4,000-11,000/cm3