<prompt> Upper segment : lower segment ratio in Growth hormone deficiency:IncreasesDecreasesRemains unchangedCannot comment  <response>: - Growth hormone deficiency is a cause of propoionate sho stature - so upper segment : lower segment ratio remains normal or unchanged. CLINICAL FEATURES OF GH DEFICIENCY: Delayed bone age, dentition, pubey, milestones Hypoglycemia Frontal bossing High pitched voice Sho stature DIAGNOSIS: 1. GH stimulation test : Done using insulin arginine clonidine glucagon Peak GH level 10 ngml - GH deficiency 2. Bone age Chronological age Treatment:Recombinant GH injections subcutaneously 