I heard my babies heart beat yesterday, it was at 136 I'm really hoping for a boy💙💙💙... I was so excited until my doc said, that myth only works 50 percent of the time 😑😑. Way to kill my joy! But was this true for anyone? I'm 16 weeks 5 days. Find out the sex next week. just want to know if your babies heart rate was Accurate to the myth of if your babies heart rate was over 140 girl and under boy? What do you think ladies ?