3 years and a half baby height 90 is short

Weight is equal to age multiplied by two plus eight, height is equal to age multiplied by five plus seventy-five, three and a half years old, height 90 cm is a bit low, it is recommended to go to the hospital for diagnosis and treatment, due to growth hormone deficiency caused by short stature patients, at this stage advocate playing growth hormone, can improve the patient's final height. The younger the age, the earlier the intervention time, the better the effect, because the younger the patient's metaphysis is not closed, the growth hormone can play the greatest role in the intervention effect is better, and the economic cost is less.