Hi, I just need to know that what should be the beta hcg levels in the bosy after having normal periods? Should it be zero or it can be anywhere less then 2 or 5?. Levels of hCG in pregnancy Human Chorionic Ganadotropin (hCG) is a hormone that can be detected in the urine and blood of humans. This hormone increases during pregnancy so it is common to measure the rise in level using Home Pregnancy Tests ( or HPTs, which measure hCG levels in the urine) or a hCG Beta test (which measures hCG . Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Acharya on beta hcg level of 2: Molar transformation can do the same also. Talk to PMD. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Acharya on beta hcg level of 2: Molar transformation can do the same also. Talk to PMD. . Why would someone's hcg level be at a 2.39? I know your not considered pregnant until above 5, but shouldnt my levels be at a 0 if I wasnt pregnant?. I had my second set of labs to test my hCG level and see if it doubled. Today I am 4 weeks and 2 days pregnant! Grow baby grow!. Beta HCG levels can be measured in the blood by RIA (radioimmunoassay) , CLIA (chemiluminescent assay) and DELFIA ( fluorescent immunoassay) testing; and positive levels (more than 10 mIU/ml) in the blood can be detected as early as 2 days before the period is missed. In the old days, the only way of determining the presence of HCG was by testing the urine, i. e, by using urine pregnancy test .