Answer: D. 2 years. DXA measurements should be repeated every 2 years in patients with abnormal results, and the guidelines note that testing should be done “expeditiously” for patients transitioning from childhood to adulthood in whom growth hormone therapy has been stopped.
6. Dosing of growth hormone should be based on body weight, with fixed doses of sequential growth hormone administered beginning at 4 µg/kg, 8 µg/kg and 12 µg/kg per day.
Endocrine Society, Molitch ME, Clemmons DR, et al. Evaluation and treatment of adult growth hormone deficiency: An endocrine society clinical practice guideline. J Clin Endocrinol Metab. 2011;96:1587-1609.