Can the fetal heart rate tell the gender of the baby?

There is a rumor among the people that the fetal heart rate can show the gender of the fetus. In fact, this statement is wrong, because the fetal heart rate is an indicator to detect whether the baby's heartbeat is normal, but the gender of the fetus cannot be determined from the fetal heart rate, so don't make blind guesses. The normal fetal heart rate is 130 beats per minute, and it is normal for it to fluctuate by 20 beats to the left or right. However, if it is too high or too low, a pregnancy check-up should be performed in time, because the fetus may easily become entangled in the umbilical cord and suffocate when changing posture, so it is important to pay attention to the detection of the fetal heart rate.

The fetal heart rate is regulated by the sympathetic and parasympathetic nerves. By recording the instantaneous changes in the fetal heart rate through the curve of the monitoring graph, we can understand the reaction of the fetal heart rate during fetal movement and uterine contraction, and infer whether the fetus in the uterus is suffering from hypoxia. In a normal pregnancy, fetal heart rate monitoring should be performed once a week starting from the 37th week of pregnancy. If there are comorbidities or complications, it can be performed from the 28th to 30th week of pregnancy. Attention should be paid to whether the rhythm of the fetal heart rate is fast or slow. The normal fetal heart rate is 110 to 160 beats/minute. If the fetal heart rate is above 160 beats/minute or lasts for 100 beats/minute, it indicates intrauterine fetal hypoxia and should be treated promptly.

Clinical manifestations

Normal fetal heart rate

The normal fetal heart rate is between 110 beats/minute and 160 beats/minute. If the fetal heart rate remains <110/minute or >160/minute for more than 10 minutes, it indicates that the fetal heart rate is abnormal. At present, the application of fetal heart monitors has become quite popular. When monitoring the fetal heart rate, if there is an abnormality in the fetal heart graph, it is often used to indicate fetal heart abnormality.

Abnormal fetal heart rate

In most cases, abnormal fetal heart rate means that the fetus is suffering from hypoxia in the uterus. The more severe the abnormal fetal heart rate, the more severe the fetal hypoxia. However, not all abnormal fetal heart rate is caused by hypoxia. In addition to the above situations, the condition of the pregnant woman herself also affects the changes in the fetal heart rate. For example, if the pregnant woman has a fever, the fetal heart rate will often exceed 160 beats/minute. If the pregnant woman has hyperthyroidism, her own heart rate is very fast, and the fetal heart rate often exceeds 160 beats/minute. If the pregnant woman takes certain medications, such as salbutamol taken during premature delivery, or atropine, it can cause the mother and child's heart rate to accelerate.

Medical parameters

Normal fetal heart rate

Fetal heart rate is a means to predict fetal safety, so it is necessary for every pregnant woman to keep a record of her fetal heart rate. At this time, pregnant women must know the normal value of the fetal heart rate:

Normal fetal heart rate is 110-160 beats/minute

The average fetal heart rate before 20 weeks of pregnancy is 162 beats per minute

During the 21st to 30th week of pregnancy, the average is 147 beats per minute

The average frequency is 139 beats per minute during gestational weeks 31 to 40