There are a lot of celebrities using surrogates. It's unlikely that every single one of them had a medical issue, although none that I know of have stated publicly that they just didn't want to be pregnant. I did find this just now:

https://www.forbes.com/sites/alexzhavoronkov/2022/07/27/elon-musk-and-other-billionaires-make-their-babies-via-ivf-and-surrogatesis-it-a-future-of-reproduction/?sh=56326f331cf0