Soonest you've found out or knew you were pregnant?

Casey • Jesus 🙏 Wife 💍 Mama to Westyn McCoy 👶🏼 Baby number ✌️ otw! Fur baby mama to Roxy & Astro 🐶 Fitness Trainer 💪 American Proud 🇺🇸
I'm wondering what's the earliest someone has noticed they were pregnant. 3 or 4 weeks? Maybe even 1 week?