What's wrong with my Vaginal discharge (tmi warning)

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I have had issues with my discharge in the past but with time it has gone away however this thick chunky discharge has comeback. I have been STD checked and was negative and recently went back on a low low estrogen birthcontrol. Im not sure if its just my hormones but i attached a picture to show what it looks like. The picture is from my scoping out discharge. This is a large amount but when i get discharge in my underwear its a normal amount but i can feel it running out of me different than my typical discharge. Im not sure if i have a yeast infection or bacterial but somethings seems off. there is a slight smell too but unsure how to disribe please if you have had a similar experience and was diagnosed with anything that would give me insight to what Im dealing with.

definitely just a yeast infection, you can treat it with over the counter stuff

ill have to disagree .. with the color of the discharge it doesnt seem like a yeast infection

its yellow? and only looks like that cause its in a big amount, wouldnt normally like that bad, thats how my discharge was with yeast infections, but maybe get treated for trich?