![]() Many times they can confuse the mother’s HR with baby’s which can be dangerous. While there have been many handheld Doppler devices in the market for a long time, they all need some sort of expertise to find and recognize fetal heart rate. ![]() These researchers also found no significant difference between them. In 2016, a study looked at 332 female and 323 male fetal heart rates recorded during the first trimester. They concluded that a fetus’ heart rate was not an indication of its sex. ![]() The researchers took the heart rates recorded on 477 sonograms taken during the first trimester and compared them to the sonograms taken during the second trimester, which the doctors used to determine the fetuses’ sex. In 2006, one study found no significant differences between male and female fetal heart rates. However, research shows no evidence for this, and similar beliefs tend to be myths.Ī number of studies have looked for a relationship between a fetus’ heart rate and their gender. There have been speculations that the rate of the fetus’ heartbeat, as heard during an ultrasound scan, can indicate its sex. While fetal heart rate normally varies over the course of the day, a sustained low fetal heart rate (below the normal range), may be a cause of concern as the baby might not be getting enough oxygen and should be reported to the doctor. Similarly, when the baby is asleep, its heart rate may stay low. As the baby moves, its heart rate generally accelerates. There are many reasons fetal heart rate varies over time.
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