Need opinions

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So I had very faint and I mean very faint spotting like literally a dot last night. Normally during ovulation I have pain in only my right ovary. (I have already been checked and had ultrasounds done to makes sure everything was good and everything came back great.) My boyfriend and I have also been trying for 4 months going on 5 and all I keep getting is a vvvfp then a negative. I’m assuming chemical pregnancy or evap? But what’s weird is I’ve never had this ovulation pain just a few days before my AF I even had weird almost sticky looking discharge yesterday almost like I was ovulating but that was almost 13 days ago.. Has anyone else had these issues? It gets so bad I need a heating pad.. I need opinions. We want to have a baby so bad..:(