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What is Plasma levels of hCG during pregnancy doubles every: September 2010 and explain in detail?
Ans. B: 2 days Pregnancy tests may be used to determine the bility of a pregnancy. Serial quantitative blood tests may be done, usually 2-3 days apa. Below an hCG level of 1,200 mIU/ ml the hCG usually doubles every 48-72 hours, though a rise of 50-60% is still considered normal. Failure to increase normally may indicate an increased risk of miscarriage or a possible ectopic pregnancy.