Diastasis Recti?

Tori • Married, army wife. Husband is currently deployed in Poland, having a baby boy on May 28th, 2018 ☺️❤️

So I’m 31 weeks along and I noticed this football or oval shaped ball that pops up above my belly button when I do certain things that require abdominal muscles. I felt around and I felt what feels like a decent sized space in between my muscles (like 2 fingers) and I have a ton of discomfort. Unsure what to think of this. Anyone have any insight or advice?