At 5 weeks 3 days my hcg was 12,700 then 46.5 hours later it was 18,600. Doubling time of 86 hours. From all the research I've done it says 96 hours is fine. But from my midwife point of view it's not ok. I had a scan at 5 weeks 6 days saw a flicker. I go back in 4 days for another scan. I don't want more bloods. I had mmc at 10 weeks in may baby passed at 8 weeks. I'm nervous....