So I believe I’m 5 weeks 3 days pregnant?

Linda • Mama to two baby girls named Blayne and Blaire. 🌙🌟 Husband and I own an A/C business.❄️ Cat lover 😽 Florida 🏖

I’ve been told to count from the FIRST day or your LAST period. And that’s considered the first week of “pregnancy”. I had a 21 day cycle.