You all help me!

Sydney • Married. Blessed by the Lord.👼 july2019. 🌈👶 Due: 12•2020

So can someone ovulate during the period days? I'm currently 4 days late for my period . Im been taking pregnancy tests and all say negative. But i took a ovulation test today, for shits and giggles. This is what i got! What the hell is going on me? Im ALWAYS REGULAR, NEVER THIS LATE.