I need some help!

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Basically guys, I’m on day 53(!!!) of my cycle. They’ve been very irregular since coming off bc about 8-9 months ago. I thought I O’d around cd36-37 but today I took this...

Now it might be the line eyes at work again, but I swear I see a vvvvfl. My question is (even if there isn’t a line 😂), when the frick did I ovulate? As if my dates were right, wouldn’t that line be a lot stronger? I’m so confuzzled... 🤦🏼‍♀️🤦🏼‍♀️

P.s I know I should be doing my temps to 2 decimal places but as you can see I’ve only just started :)

And here’s my chart!

Forgetting the most important bit! 🤦‍♀️🤦‍♀️

***Update: day 60 and counting 🙈