how to calculate fetal heart rate

...pregnant women, enlarge the signals, and output them from earphones so as to calculate the value of fetal heart rate. 1) Delicate and compact design, portable and easy to use 2) Crooked probe structure, which is easy to operate and increases the feeling of

Fetal Heart Rate Monitor Household Rechargeable Doppler Fetal Monitoring Baby Fetal Movement Stethoscope For Pregnant Features 1. Safe,no radiation. 2. Easy to use at home. 3. High Sensitive doppler probe. 4. Two mode to heat, earphone and speaker. 5. Intelligent noise reduction,more clear. 6. Digital LCD display,with backlight. 7. Three measurement mode,can calculate...

...Fetal Doppler Manufacturer Price RTS Ultrasonic Baby Heart Fetal Doppler Cheap Fetal Doppler applies ultrasonic doppler principle to obtain the movement information of fetal heart from abdomen of pregnant women, enlarge the signals, and output them from earphones so as to calculate the value of fetal heart rate...

...distance, circumference, volume, angle, heart rate and etc. l Obstetrics measurement software: BPD, GS, CRL, AD, AC, FL, HC, FTA, APTD, TTD and calculating fetus’ weight, pregnancy week, fetal physiological rating according to the previous measurements...