I'm confused now. I went to the doctor on the 12th and my progesterone was 16.40. why did glow move my ovulation date again when I know I ovulated on cd18

Shantel • Mother of 2 boys,happily married to the love of my life💞 have faith and trust in God, anything is possibe💞 Liberty Wallace due 12/30/20.💙💙💜🤰