Has anyone ever experienced an increased heart rate before a BFP??

Brittany
So let me give you a little background. No I'm not trying to do this to determine if I'm pregnant or not. Absolutely only way to know is a test yes yes I know but lately I've been experiencing a very quick heart rate and cab even feel what I would describe as palpitations. My chest gets really heavy and I catch myself taking deep breaths. Pretty much just trying to link this to something and wondering if I should be concerned.

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