Diastasis recti (abdominal seperation)

Ok so I've been having pain in the upper part of my abdomen which started right above my belly button at approx 20ish weeks. My ob said it felt like an umbilical hernia and that it wasn't a concern. Fastforward to 26 weeks and the pain is all over the top of my abdomen and is excruciating at times! I've done some research and am pretty much 100% sure I have diastasis recti..it literally feels like the muscles In my stomach are burning and I can't even lightly touch the skin on my tummy without being in pain Has anyone else exerienced this during pregnancy and have any advice? I'm a pretty active person and still working on my feet and hope to continue to do so until my maternity leave but the only time I'm not in pain is when I'm not moving around.