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 Normal TSH-Adults should have TSH hormone levels that range from 0.4-4.2 mU/L. 2  This indicates that the signals from your pituitary gland match the activity of your thyroid gland. Normal TSH-Adults should have TSH hormone levels that range from 0.4-4.2 mU/L. 2  This indicates that the signals from your pituitary gland match the activity of your thyroid gland.