How to Read the Values on a Fetal Heart Monitor

Patient's question:

Fetal heart monitoring is an important prenatal examination item in the late stage of pregnancy. During fetal heart monitoring, the pregnant woman can intuitively see the changes in fetal heart rate from the fetal heart monitoring graph to ensure the good condition of the fetus. I would like to ask how to read the values on the fetal heart monitor?

Doctor's answer:

Fetal heart monitoring is a graphical representation that records the fetal heart rate curve and uterine contraction pressure waveform using an electronic fetal heart rate monitor for clinical analysis. It is the primary method for accurately assessing the fetal condition inside the uterus.
On a fetal heart monitoring graph, there are mainly two lines: the top one represents the fetal heart rate, which normally fluctuates between 120 and 160 beats per minute. Under normal circumstances, the baseline heart rate line appears as a straight wave. When fetal movement occurs, the heart rate rises, forming an upward spike in the curve, which then gradually decreases after the movement ends. A fetal movement count of more than 30 times within 12 hours is considered normal.

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