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Re: too early for ultrasound? - worried sickFrom: William McIntosh, MD (anonymous@obgyn.net)Tue, 11 Jun 2002 15:46:15 -0500 (CDT)
At Tue, 11 Jun 2002, Laurie wrote: > >I'm scheduled for an vaginal ultrasound on thursday to check for >heartbeat(chance of missed miscarriage). I'll be exactly 6 weeks 0 days >from LMP. I've searched the archives and can't seem to find concensus >on how early a heartbeat can be detected. Will it be too early to see a >heartbeat? And then will it be assumed that the fetus isn't viable >anymore? Or is 6 weeks possible to see the heartbeat. I'm so worried >that it's too early (but this is the only day I could get sqeezed into >the radiologist's office for an appointment - otherwise I'd have to wait >2.5 weeks!) My hcg was 8900 at 5.5 weeks. Is there any correlation >between hcg levels and when a heartbeat can be detected? >thanks The heart starts beating at 6 weeks, give or take a couple of days. Therefor, this is the absolute earliest that a heartbeat could be seen. If you can't, that is not proof of a miscarriage, though it is quite disappointing. HCG levels are notoriously unreliable for predicting u/s findings.
-- William D. McIntosh, MD, FACOG
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