Could it be possible that I've gained weight after tummy tuck? (Photo)

I am 8 weeks post op on a drainless TT. Before the surgery I was 128#. Today, I am 132#. I still don't fit into my pre op clothes. I eat healthy and I have been very active with my 4 kids starting two weeks post op. Did my quick " back to normal" routine cause my swelling to be consistent and my weight to be higher because fluid? Could it be possible that two months out I still have this much fluid? I feel pre op body is better than post op. Muscle repair was only improvement. I had no lipo.

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