Positive ovulation test

I wasn't supposed to ovulate till the 29th   I've been take ovulation test since cd8 I'm on cycle day 13 now it came bk positive today and now my glow is saying 33percent fertile . So do I ovulate today or when I'm confused . ? I used preseed when I had sex two days ago  nd the days before then nd now I'm have this pain in the right ovary . I never had ovulation pain so I don't know what it is . My appitite has went wayyy down also . What is going on ??