"16 & Pregnant" House Photo -- Dirty ... But Really That Bad?

TMZ has obtained a photo from inside the "16 and Pregnant" home -- a photo that triggered a raid by child services Tuesday night -- and while it definitely looks cluttered and arguably dirty ... it doesn't scream "child neglect."

According to the arrest report -- filed after both parents were taken into custody for child endangerment -- "Every room inside the residence had human and dog feces on the floors, walls, and clothing" ... but from the perspective of the photo, it just looks kinda messy.

The pic shows a child's play area littered with a few pizza boxes, one used diaper, and a bag of garbage -- not that surprising for a couple of 20-year-old parents.

So we gotta ask ...