Legs have got way to heavy

Jasmine
33w6d
My legs have got way to heavy for me. I literally have to use my arms to help me lift them while changing or switching sitting positions. To pick them up on the bed or couch I have to like swing them up because I just can't seem to lift. They fall asleep during any kind of sleeping positions. If I stretch them out across the bed/couch they begin to ache after a short period, when standing or walking i can feel all the weight on my feet which after a short while they do swell up (feet) anyone else have this problem? 
I feel like after a while I wont be able to walk at all. I want to mention being induced to my doctor because of it. 
What do you think?