Contact C A B and also ring Job centre plus help line for claiming benefits 08000556688 8am to 6pm and Benefit for people with disabilties help line 0800882200, if they can't help you they wil give you other numbers to ring, both numbers are freephone.
Your employer and his employee are bullies, will your midwife give you a duplicate form?
The last thing you need at the moment is any upset, get all the advice you can, write notes if you can whilst on the phone. Good luck.