Back pain at 16+4?

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This seems way too early but the last several days my very low spine has been hurting. It feels like it needs to pop but just won’t. Now this morning it’s my whole back, and not just my spine either. Just all over pain and this seems WAY too early for this. Anyone else? And what are you doing for it? I don’t want to just pop a Tylenol every day but no stretching or moving is helping.