Ovulation ??

Nele • Mc7.2016💔 Rainbowbaby🌈 Y👦🏼18.8.17. Mc12.2019&9.2020💔Ttc rainbowbaby2🍀

I now for a fact that i ovulated on monday, had a positive opk on sunday and i had an ultrasound and my egg was ready to relase, so why dont go my temps up? Can someone please help me?

I am so confused , i really hope this is our month. Last month naturally so 🤞🏻🤞🏻🤞🏻