What is Doppler Fetal Monitor?
Jun 30, 2022
A Doppler fetal monitor is an ultrasound device for detecting heart beat of a fetus and provides simulation of the heart beat. It reports the heart beat rate in beats per minute and/or audio signals indicating the fetus heart beat. A Doppler fetal monitor provides similar information as a fetal stethoscope; however a Doppler fetal monitor bounces ultrasound waves off of your baby's heart to produce sound and does not rely on the sound produced by the heart. Doppler auscultation is more sensitive and can pick up heart beats as early as 5-weeks into pregnancy; for fetal stethoscope, the fetus may have to grow 20 weeks before the heart beat is strong enough to be detected. Doppler fetal monitor operators at either 2 or 3MHz. Both types would work well for heart rate detection; however the 3M Hz version works better during early stage of pregnancy, while the 2M Hz version works better for overweight mothers. 4MHz and 8 MHz probes are also available and they are for detection of b...
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