What Causes Pins And Needles In Stomach While Having Multiple Sclerosis?

Hi , I am currently just over 10 weeks pregnant . The last three days I have suffered with very bad ms . It has lasted all day n has been hard for me to retain fluids . Today had been a very good day n I have eaten n kept all fluids down . However this evening I have been getting pins n needle type shooting pains in my stomach . Is this normal ?