I am 5 weeks pregnant and i worked at my job for a long time?

the other day i asked for help i work at nursing home! i left over two to three hundred pounds no one would help i lifted a bunch people by my self i started cramping and had little blood i went emergency room and next day to my doctor i am ok but i have a weight limit of fifty pounds i can left my job said o that will be ok then called me later and told o your not fired but until ur off the weight limit you cant come back what should i do is that Right?