What connection is there between fetal heart rate and the baby's gender?


Quick Answer

There is no direct connection between the heart rate of a fetus and the gender, according to an abstract published by the National Center for Biotechnology Information. There are several factors that contribute to the heart rate variability, but gender has not proven to be an influence.

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Full Answer

While there have been several studies that have tested this folklore, it remains unproven, as of 2015. Gestational age is the most common factor to affect fetal heart rate. The fetus starts with a heart rate of 85 beat per minute, and gains on average three beats per minute each day until an average of 175 beats per minute is reached, states the New York Times. When this average is reached, the heart rate begins to slow until an average of 120 to 160 beats per minute is maintained. At this point the heart rate stays in this range until birth.

Female heart rates of the child have been noticed to be faster during labor and delivery than male heart rates, but there has been no significant data to show a direct correlation between the gender of the child and the heart rate at birth, claims WebMD. Both male and female heart rates increase at between 28 and 30 weeks gestation, but again no significant data exists to link the heart with the ability to predict the gender of the fetus.

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