Body Itching

Doctor sb mri wife 4 month pregnant hai abi use bhout zeyada itchong ho rhi hsi tummy pt legs pr arm pr please bta de kya ye koi bhout prshani ki bt tu nhi,ya normal hai etc??aur dusri baat use 2,3 month se cough b bhout hai jo khtm hone ka nam nhi le rhi,esa lgta hai k us ki sans ki nali main jase koi chez a gai hai,please help us main bhout fikr mand hon..