Any truth behind gender and heart rate?

M.

I know there’s no actual proof of any of these old wives tales but I’m curious to see for others who have been pregnant before if there’s any truth to it? Apparently if it’s over 140, you’re expecting a girl. And under 140, it’s a boy. Just an old wives tale but was it accurate for anyone before? Mine was 121 today at 7 weeks :)

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