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What is Most sensitive test for measuring ss HCG levels for diagnosis of pregnancy is? and explain in detail?
Sensitivity of various tests for detection of Hcg Urine pregnancy test: + in 60-70% (sensitive to 150 mIU ) Serum beta hcg by ELISA: + in > 95% (sensitive to 5 mIU) Radio immuno assay: + in 100 % (sensitive to 1-2 mIU) can detect pregnancy on 7th day of ovulation Immuno Radiometric Assay: + in 100 % (sensitive to 0.5 mIU) can detect pregnancy on 7th to 10th day of ovulation