Medically reviewed by Holly Ernst, P. Ina study looked at female and male fetal heart rates recorded during the first trimester. You might have heard of the baby heartbeat test—it involves analyzing the speed of the fetal heartbeat in order to determine whether the baby is a boy or a girl.
Join now! Each day, the speed will increase. These researchers also found no significant difference between them.
Your doctor should be able to identify that heartbeat as soon as it appears. Ultrasound images can show the genitals of an unborn baby, though most ultrasound technicians will never say with percent certainty that a baby is one gender or another. This is somewhere between and bpm. No hard science supports this test beyond wishful thinking!
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Take a look at each week of your pregnancy, from conception to birth, with our comprehensive email newsletters. According to scientific research conducted across decades and in many unique scientific arenas, there have been many attempts to identify a link between a fetal heart rate and gender. Research shows no evidence for this, and similar beliefs tend to be myths.
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You might have even explored the early ultrasound theories. These researchers also found no significant difference between them. The baby may have its legs crossed, be lying in a particular way or even the umbilical cord may be obscuring its genitals from clear view. A heart rate under and closer to bpm means the baby will be born a male.
The good news?