For patients with optic neuritis who have an increased risk of developing MS (on the basis of an abnormal brain MRI), many studies support the early use of medications aimed to reduce the risk of MS.
1 The normal size of the thyroid gland in adults is 4 to 4.8 cm x 1.0 to 1.8 cm x 0.8 to1.6 cm. 2  Its normal weight ranges between 15-25 grams.3  The weight of this gland grows heavier in women. 4  It escalates up to 50% during the early part of the menstrual cycle.imension & Weight Of Thyroid Gland. 1  The normal size of the thyroid gland in adults is 4 to 4.8 cm x 1.0 to 1.8 cm x 0.8 to1.6 cm.
1 A TSH level count ranging between 0.5 and 3mIU/L confirms thyroid disorder. 2  The normal TSH range for newborns ranges from between 1 â 39 mIU/L. 3  The normal TSH levels for children ranges from between 0.7 â 6.4 mIU/L. The TSH narrows to 0.6 to 5.5 micro units per milliliter in school going children. 2  The normal TSH level gradually decreases in children; however, the free thyroid hormone (T4) levels in the blood will be relatively balanced for certain period.