Should I be concerned about these pulsations I'm having at my belly button? I am 15 wks post lipo/abdominoplasty.

I Still experience a lot of swelling I wear my CG almost all the time. I am now starting to feel these hard pulsating sensations at my bellybutton. I swear it feels just like a baby kicking me LOL. At times I can actually visualize my skin moving to the pulsations. It's driving me nuts because it's almost constant. I am wondering if I should be concerned? I am experiencing no other symptoms at this time just the pulsations.