Is It Normal?????????

Star • My name is star.. 26 years young 😘 Married & have 3 beautiful baby girls (2 yr old Twins and a newborn singleton)🎀😍 #GirlMom #MomaBear
im 27 weeks pregnant with DIDI twin girls. every time ii take a deep breathe or Stretch it feels like ii have liquid or Bubles in my upper chest... just started to notice it... not sure if this is something ii would have to talk to my ob about or what.. please give me some insight...