viable pregnancy with hcg 2338 @ almost 7 wks?

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has anyone had a successful pregnancy with hcg this low at around 7 weeks? ultrasound today will finally be high enough to see something hopefully. My HCG has been slowwwly rising since I discovered I was pregnant. doubling every 82 before, now every 72. it's been a rollercoaster and I almost got a d & c on Friday.