Infection Symptoms or early pregnancy symptoms?!

I’ve been having the worst nausea, anytime I’ve at something I feel nauseous right away. I don’t throw up but I feel sick like something I’m my chest, I can barely eat.

I have HEADACHES crazy headaches which go all the way to my eyes, I can’t keep my eyes open because of the pain

My stomach feels like I have a upset stomach or like food poisoning but when I go to the bathroom I’m constipated

Fatigue , so tired all the time

Wet wet discharge like I’m peeing myself but it’s just clean wet discharge

Tightness in chest, never felt this as a symptom of my pregnancies but it’s happening , I can’t take a deep breath sometimes

Bloating.

I have two kids already so that means I’m trying for a third now, really confused and feeling really crappy.

Period is due around the end of this month

I do have pcos and have been taking Metformin for pcos for over a year now with no luck in getting pregnant

I think I’m thinking too much

Prbably just sick