Is Your Baby Heart Rate Boy or Girl?

The common myth that fetal heart rate determines the sex of an unborn baby is completely false. Although it is common to hear Baby Heart Rate Boy or Girl boy heart rate is faster , studies demonstrate that there is no difference between the fetal heart rates of girls and boys. Healthcare providers can make educated guesses during an ultrasound, but the baby’s positioning and other factors make this a difficult task.

A recent study found that a baby’s heart rate doesn’t predict gender. While the theory may have been around for a long time, there is no solid evidence to support it. One theory says that a baby is more likely to be a girl if her heart rate is greater than 140 beats per minute and a boy’s heart rate is lower than 140 beats per minute. However, random measurements can still give different readings.

Another theory suggests that fetal heart rate does not determine the gender of an unborn child. However, a woman pregnant with a son is more likely to develop gestational diabetes, which is characterized by higher blood glucose levels. Scientists aren’t sure why, but it may be due to males’ higher fetal heart rate. Despite the conflicting results, the correlation between fetal heart rate and gender is still an interesting and harmless conversation starter.

Using a cadaver of birth records, scientists analyzed more than 500 sonograms to find a correlation between fetal heart rate and gender. They then cross-referenced the data from each ultrasound with the sex of the baby at delivery. In the end, 655 medical files were studied. According to the researchers, the average fetal heart rate for girls was 167.0 bpm, while males had a heart rate of 167.3 bpm. Besides this, scientists found no statistically significant difference between males and females.

Fetal heart rates fluctuate as the baby grows and moves. The heart rate of an unborn baby can range anywhere from 90 to 110 beats per minute (BPM) in the sixth week of pregnancy and goes up to 180 bpm by the ninth week. After that, the fetal heart rate will increase gradually over the next two weeks. So, a baby’s heart rate of 160 bpm does not necessarily mean that the baby is a boy or a girl.

The average fetal heart rate did decrease with the newborn’s weight. However, this difference was not significant between European and East Indian newborns. The researchers used medical charts of 233 women and 110 infants and found no statistical difference between the sex. However, male newborns weighed 3428 grams, compared to 3221 grams in the case of female infants. Therefore, the researchers conclude that males are generally heavier than females.

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