Tingly numb arms nd hands

Karen • Can't wait to meet my Baby girl
Im 37+2 and this is the 2nd weeks my hands been so tingly nd numb (kind of hurts) when I'm sleep or even when I'm up especially when I'm asleep though. Now its my arms as well .. Does anyone else experience this ? && know what it means ? I go for my check up tomorrow and DNT know what to expect because I have not been to the doc since Jan 5. Nd she switched me to a new doctors now .