My wife had the two blood tests done to verify pregancy. The first test (on the 7th day after implantation) hcg number was only two (2), but on the second test (10th day after implantation) the number jumped to eight (8). Does this mean we are pregnant?

It's just too soon to tell.

It's just too soon to tell. Basically, an hCG level of less than 5mIU/ml is considered negative for pregnancy, and anything above 25mIU/ml is considered positive for pregnancy. If it goes down, then it is considered a chemical pregnancy, where the beta-hCG (pregnancy hormone level) goes up, and then goes down. If the pregnancy didn't make it far enough along to show up on a pregnancy ultrasound, it's called a chemical pregnancy (because it was only able to show up by measuring a chemical (hCG level) in the blood, but not show up on ultrasound. A transvaginal ultrasound should be able to show at least a gestational sac once the hCG levels have reached between 1,000 - 2,000mIU/ml. Because levels can differentiate so much and conception dating can be wrong, a diagnosis should not be made by ultrasound findings until the hCG level has reached at least 2,000.


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