Probe Prenatal Fetal Doppler Baby Heart Beat Rate Monitor Ultrasonic Detector Household Fetal Doppler Baby Prenatal Heart Monitor LCD Display Fetus-voice Meter Pregnant Woman Daily Care Product. This is a quality fetal heart rate detection instrument that uses Doppler principle to obtain fetal heart rate from the pregnant woman's abdomen, and presents fetal heart rate data through voice monitoring, digital display and other ways. You can use it to hear fetal heart sound and calculate FHR to achieve pre-monitoring and fetus caring.
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