Thread: Doppler advice
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Old 11-26-2012, 06:03 AM   #9
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Originally Posted by redlichen
Fetal dopplers do not expose babies to radiation. They expose babies to ultrasonic waves. Same thing bats use to echolocate. At the low frequencies ultrasounds & dopplers are used at (when used correctly) there is not a concern for overheating or cavitation. (Bubbles on a molecular level)
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