L.P.
Probably scar tissue. My youngest is 3 years and I can still feel some of it under where my incision was. I was freaked out by it after my oldest was born. Most likely nothing to worry about. Talk to your doctor just to be sure at your check-up.
I drove after 10 days (I think they just didn't want my driving until I was off of pain meds). I only held my 2 1/2 year old when I was sitting down. We still had lots of snuggle time without me lifting her.