Step 2: Put the uterine contraction probe on the top and the fetal heart rate probe on the bottom, and fix the bandage.
Step 3, adjust the tightness of the front and rear straps, so that the two probes are close to the skin to ensure stable monitoring.
Step 4, turn on the power switch of the device, Bluetooth of the mobile phone, turn on wifi or mobile phone 4g, log in to the monitoring app, and bind the device to the mobile phone.
After the device is successfully connected, pregnant women need to find the fetal heart rate function in the APP to determine the fetal heart rate position, and adjust the position by moving the fetal heart rate probe up, down, left and right to ensure the accuracy of the monitoring results.
How to quickly find the position of fetal heart in different gestational weeks;
1, 20 weeks before pregnancy, the position of fetal heart is generally next to the upper edge of * * *.
2, 265438+ 0-30 weeks pregnant, the fetal heart position is mainly at four points around the navel.
3. At 3 1-40 weeks of pregnancy, the fetal heart is located at 4 points around the navel (pictured).
Reminder: When monitoring the fetal heart, you can refer to the legend to find the fetal heart and stay at each position for about 15 seconds. After finding the fetal heart, click to start fetal heart monitoring immediately. Fetal heart monitoring takes at least 20 minutes.