Should I test with fmu or give up

Y`Marrea • married to love of my life 💍 mommy of 2 boys🩵 and 1 girl🦄

had a super faint line 2 nights ago some people in the app saw it some didn't my husband couldn't see it. went to the ER last night (unrelated) around 11pm and their urine test came back negative. My period is very irregular. Should I retest in the morning or not. I've been having sore boobs but I'm if it's pcos or if I'm actually pregnant