Does anyone know what might be causing this? I'm 22 weeks pregnant with first baby. For several weeks now I've been waking up with numb hands down to the middle of the forearm. It doesn't happen every night and it goes very quickly on waking up with no pain or anything else odd. My MW thought it was early oedema but they don't seem to be swollen up. In general, though, can no longer get my wedding ring on so obviously am a bit puffy. It's six weeks to my next MW appointment. Do you think I need to call?