Help Ladies

S

So this is my calendar for the month. It says I ovulated on the 14 but I think I did the entire week and even longer. I had sex on the 20 and somehow still think I ovulated on the 21 because I saw some ewcm. Now to the glow my period is due on the 28. Is it possible I can be pregnant? I’m scared to check just to be disappointed but I’m so anxious 😟. I have PCOS as well.