Minimum level of Beta Hcg detected by radioimmunoassay is :
Correct Answer: 0.001 IU/ml
Description: * Radioimmunoassay (RIA) -- It using I125 ido hCG antibodies. It is more sensitive and can detect b subunit of hCG upto 0.002 IU/mL in the serum. It can detect pregnancy as early as 8-9 days after ovulation (day of blastocyst implantation). Radio receptor assay gives highest sensitivity of 0.001 IU/mL in the serum. RIAs are quantitative, so can be used for determining the doubling time of hCG (ectopic pregnancy monitoring). RIAs require 3-4 hours to perform. Reference : D C dutta's Textbook of Obstetrics 7th edition page no 67
Category:
Gynaecology & Obstetrics
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now