Has anyone had a C-section and now has GERD or Reflux? Are the two linked?

I have had 2 c-sections. My 1st child is 8 and my second is 2. I noticed I all of a sudden had bad reflux/Gerd/heartburn shortly after having my 1st c-section. It is worse now after my 2nd. I am trying to figure out if there is higher incidence of GERD in women who have had C-sections or if the timing is just coincidental. Thank you.