Fetal heart rate monitoring score

Fetal heart rate monitoring score

Fetal heart rate monitoring is basically an examination technique that every pregnant woman must undergo during pregnancy. Many pregnant women fail to meet the qualified standards when doing fetal heart rate monitoring, but there are also many pregnant women who do not understand the significance of fetal heart rate monitoring. Moreover, I couldn’t quite understand the values ​​displayed after the fetal heart monitoring. So how many minutes does it take for a pregnant woman to pass the fetal heart monitoring?

What is fetal heart rate monitoring score

Fetal heart rate monitoring uses the principle of ultrasound to monitor the condition of the fetus in the uterus and is safe for the fetus. So, what is the fetal heart rate monitoring score? Here we remind you that the fetal heart rate monitoring score can be calculated through the curve waveform of the fetal heart rate and uterine contraction pressure reflected in the fetal heart rate, fetal movement and uterine contraction chart.

1) Baseline fetal heart rate (bpm): less than 100 or greater than 180 is 0 points; 100-119 or 161-180 is 1 point; 120-160 is 2 points.

2) Fetal heart rate variability (bpm): less than 5 points, 0 points; 5-10 points, 1 point; greater than 10 points, 2 points.

3) Fetal heart rate acceleration (bpm): less than 5 is 0 points; 5-10 is 1 point; greater than 10 is 2 points.

4) Fetal heart rate decelerations: repeated late decelerations or repeated variable decelerations were scored as 0 points; variable decelerations were scored as 1 point; no or early decelerations were scored as 4 points.

Please note that the sum of the scores of items 1) to 4) above is positive if ≤ 4 points; 5 to 7 points are suspicious; 8 to 10 points are negative. Fetal heart rate monitoring of 8 to 10 minutes is considered normal. If there is abnormal fetal heart rate monitoring, some protective measures can be taken under the guidance of a doctor.

What is fetal heart rate monitoring?

Fetal heart rate monitoring is very necessary for detecting the baby's growth status. Fetal heart rate monitoring uses an electronic fetal heart rate monitor to record the fetal heart rate curve and uterine contraction pressure waveform for clinical analysis. It is the main means of correctly evaluating the fetal condition in the uterus.

There are mainly two lines on fetal heart monitoring. The upper one is the fetal heart rate, which fluctuates between 120-160 under normal circumstances. The basic heart rate line is generally manifested as a wavy straight line. When fetal movement occurs, the heart rate will rise, and a curve that protrudes upward will appear. It will slowly decrease after the fetal movement ends. A fetal movement count of >30 times/12 hours is normal, and <10 times every 12 hours indicates fetal hypoxia.

The lower line represents the intrauterine pressure, which will increase during uterine contractions and then remain at around 20 mmHg.

We would like to remind you that fetal heart rate monitors are now widely used. During fetal heart monitoring, if an abnormal fetal heart rate graph is found, it is often used to indicate fetal heart rate abnormalities.

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