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A transvaginal ultrasound can detect a heartbeat with very high accuracy as early as six or seven weeks into a pregnancy. If performed properly, the results are considered accurate and reliable.
How early can an ultrasound detect a heartbeat? I am 25, and seven weeks pregnant with my first child. I just yesterday got an ultrasound, and no heartbeat was detected. Shouldn't there be a detectable heartbeat by now? This has me worried sick. The doctor said I should come back in a week for another ultrasound. What should I expect?