What Cause Gastro Paresis And Polycystic Ovaries In A 16 Year Old?

My 16 year old daughter has severe gastroparesis (vomits in excess of 20 times a day). She was also diagnosed as Growth Hormone Deficient as a child (although never treated for it). She has polycystic ovaries too. Is there any connection? She is now 5ft 3" and weighs 43 kg (she struggles to keep her weight up). She was retested for GHD 18 months ago and using the Gold Standard test registered 9.8