In the prenatal assignments, you've expected been excited to pick up the child heart hammering iso you listen the baby pulse, the health professional employs a gadget called as the fetal heart rate monitor aka doppler. That gadget employs a probe to find HF acoustic wave that are made by the child heart.
Since those acoustic wav* aren't quickly noticed in common situation, a colloidal gel, oil or water solvent is dispersed onto the abdomen. The monitor probe is then employed in the area until the baby heartbeat is discovered. If the acoustic wave are detected, they're then got off from a probe into the doppler fetal heartbeat monitor, that magnifies the audio for you to listen.
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