36 weeks and cant move :(

Any advice on how to cope, prego with twins and have severe SPD , and edema and now shin splits due to the weight , im normally 93lbs and have been my entire life i just have a naturally thin frame , with my first i made it to 135lbs and i didnt have any issue really no swelling no SPD nothing carried a 10lb baby and was fine

and back to 95lbs in 3-6 weeks . now with my second i have twin girls and im falling apart im 158lbs and growing and for my frame this is obease my hips CONSTANTLY pop out and my pelvis grinds and i look like the damn state puff marshmallow man:(((( idk how im going to make it these last 10 days anyone else barely coping.