What was the earliest you found out you were pregnant???

Okay so my MC happened 05/10/18.. levels went back to zero. My period is due in 3 days , I’ve been cramping for about a week so is my

Legs sometimes .. headaches , loss of appetite, nausea in the mornings, boobs real tingly . And very fatigue!! I took two tests ted dye’s and got a vvvvvvfl on both with color tint! I would be 3 weeks 3 days ... is that too early? or .. my last pregnancy with the MC I found out the day after my period was late and it was faint also but noticeable.