In pregnancy these kind of pains are common..when you sit don't slouch too much..also take support..try sleeping on your sides more..when you stand also watch your posture

I'd say it's normal but have lost of fluids and rest well.; If the pain doesn't go away at all,; talk to the doc. Also,; you've got to be careful with your posture, lifestyle and diet as this stage, the max.. be careful.