Why Is This Happening? Is It Normal ?

I'm a ftm . 33 weeks + 2 days pregnant . well a while ago, my stomach started to feel  sore out of nowhere,  (still does) it kind of hurts when I walk . Could it be round ligament pain ? I had that it my 1st trimester and when I had that it hurt so much that it even hurt to turn my body. This time around I can move fine and it only hurts on the sides of my belly button . What could this be ?

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