Slow rising chart

Kay • 👸🏼💖 Girl - 2017 , 👰🏼❤Wife - 2018 , 👶🏼💙Boy 2021

Has anyone else had a slow rising chart? I usually ovulate CD13 but I've not even had it detected yet 🤷🏼‍♀️ my temps just don't seem to have much shift going on.