hello.
beta hcg levels gets doubled every about 48 hours.
if there is beta hcg levels in your blood and if there is no implantation in uterus that means its ectopic.
very high levels of hcg can be found in multiple gestation like twins, triplets etc. molar pregnancy etc.
hope this helps.
regards
Answered2015-08-17 15:35:17
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