C-Section Tummy Question

I had a csection on Feb. 21, So I am about 12 weeks out. I still have a belly that makes me look about 3 months pregnant. It doesn't seem like extra fat as it's hard to the touch. Has anyone experienced this? I asked my Doc about diastis recti, but he said I didn't have too much seperation so I wouldn't think it could be that. It's not super painful, but I don't remember having it after my first almost 3 years ago. Anyone have anything similar by chance?