I in my 30 weeks + 4 days and my feet, ankle and leg never stop swelling. Instead it feel tight on my feet everytime i wriggle my toes. Should i be worried?#1stpregnant

I now in 31+5 weeks. Its has been few days i having constipation and my lower back pain with my lower abdomen cramp pain getting intense. What should i do? Should i seek doctor asap?#advicepls #1stpregnant