Can the speed of the heart beat determine the sex of the baby? Where your baby falls within that range has nothing to do with gender. I had an ultrasound at 10 wks. with baby #2. I remember a heart rate of bpm. It was a boy. candlechick Answered 9/10/10 34 found this helpful. What was found instead was that there is a change in baby heart rate according to their gestational age. As the baby matures, the heart rate adjusts to its size. Likewise, the more active the baby, the higher their heart rate will be. Just like us, during periods of inactivity and sleep, their heart rate tends to slow down. After measuring 10, fetal heart rates, and following up to find out the baby's gender at birth, it was clear that there was no correlation between the baby's heart rate .
However, no link has been found between the sex of your baby and his heart rate. Myths abound in gender prediction, and it has been speculated that you can predict your baby's gender based on his heartbeat. According to the myth, a heart rate of more than beats per minute suggests you're carrying a baby girl, while a heart rate of less than beats per minute means you're likely carrying a baby boy, says the KidsHealth website. A baby's heart begins to beat approximately 22 days after conception. It starts out at heart rate determine sex of baby
rhythm of approximately 80 beats per minute at around the fifth week of pregnancy and increases at a rate of approximately 10 beats every three days until it peaks at approximately beats per minute by nine weeks gestation, according to ObGyn. Following this time, the heart rate begins to decline by 25 to 40 beats per minute between your 10th and vintage hairy free mpegs
week of pregnancy. As you near the end of the first trimester, your baby's heart rate averages between and beats per minute and is audible by a heart rate determine sex of baby