HELPPPP!!!😩

I had a CP two weeks ago. My AF came on a day late. (That's how I knew it was a Chemical pregnancy). I'm having light ovulation symptoms, very light cramps on my left side on and off(mostly off). Slightly sore boobs and hardly and discharge. 
Ovia (fertility App) keeps changing my ovulation date because I don't have any symptoms. What should I do? 
I really wanted to conceive this month!😩😔

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