Miserable 😫

I have PCOS and an off period but I know I can still ovulate at anytime . Just don’t know when . Well the past 5 days my boobs have been sore , I’ve had a lot of gas which isn’t normal for me and I’m nauseous. I’ve taken a few test but of course I don’t know when the right time would be due to the PCOS . Also , with my son I got pregnant the beginning of December and didn’t have a positive test till the middle of January . What should I do ? 😫 I can’t stand feeling like this especially if I’m not pregnant.