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.
The thyroid is a butterfly-shaped gland that sits low on the front of the neck. Your thyroid lies below your Adamâs apple, along the front of the windpipe. The thyroid has two side lobes, connected by a bridge (isthmus) in the middle.When the thyroid is its normal size, you canât feel it. Brownish-red in color, the thyroid is rich with blood vessels.our thyroid lies below your Adamâs apple, along the front of the windpipe. The thyroid has two side lobes, connected by a bridge (isthmus) in the middle. When the thyroid is its normal size, you canât feel it. Brownish-red in color, the thyroid is rich with blood vessels.