I'm 32 weeks... but my legs are getting weaker everyday... I was once paralyzed waist down. I really…

I'm 32 weeks... but my legs are getting weaker everyday... I was once paralyzed waist down. I really can't afford to be put on bed rest I'm gonna be a single mom with no help from her daddy should I just avoid the subject with my doctor? its gotten to the point where my knees are locking up, giving out, and I can't stand past 20 minutes... I dunno what to do😯😯😯