For those who have had children prior to this current pregnancy, did their biological sex end up matching the old wives' tale regarding heart rate?

My husband and I have a friendly debate going regarding the accuracy of the old wives' tale regarding higher heart rates in females and lower heart rates in males. I pointed out the study done by the University of Kentucky, as he's a UK fan. Mostly I'm having fun tormenting him with the idea of a daughter. 😀

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