One of my scars suddenly became really sore and red around 23dpo which seemed to be only where I had a bit of a scab left on one side. I thought it was my sports bra rubbing on it so I tried a different one but it was the same, after a few days though it started to settle down. I’m 28dpo now and it’s so much better, I think it’s just part of the healing process but you could always maybe speak to your nurse if you’re worried about it. I wouldn’t worry though hun xx