It gets immensely better as your body weight drops. That was one of those things I noticed the last twenty pounds helped. The skin became crepey instead of hanging as it did when there was more fat. It isn't flat, not even close, but very easy to hide in clothing. Multiple babies, high weight, and c-section aren't going away, even if dozens of pounds have.
It would be nice to deal with surgically, but it did improve notably with slow and significant weight loss. There is hope