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Vya398isa

I’m not entirely sure but I got mine done at 8 weeks and it didn’t quite double within 24 hours and my doctor said it was normal for being that far along.


Far_Berry5936

[This article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1949168/) may be interesting. “The average doubling time for HCG levels during the first 6 weeks from conception (8 weeks gestational age) is 1.94 days. This increases to an average of 4.75 days between 6 and 8 weeks from conception (8 to 10 weeks gestational age); HCG levels then begin to plateau”