Does the following blood results suggest hypothyroidism? Hashimoto's? TSH: 3.38 FT4 1.63 ng/dl. Can starting m.vitamin with 150mcg iodine increase tsh

Normal. Both of these values are normal. Normal is normal. Iodine is ubiquitous in the diet so you really do not need to take supplemental iodine.
As in other post. Normal range for TSH is what you're looking for and you've got it.....Enjoy! You really don't wan to RAISE the TSH at this time. It's quite in the normal range.

Related Questions

Can sub clinical hypothyroidism affect fertility? I have hashimoto's; TSH levels were up and down for years. Unable to get pregnant during that time.

Yes. Thyroid disease is one of many issues we consider for those unable to get pregnant. It's important to get your thyroid condition treated appropriately & optimally. And then it's even more important to monitor your thyroid function throughout your pregnancy as it can & will change, requiring different doses. So go see your family doc, OB or reproductive endocrinologist for preconception counseling. Read more...
Yes. Womem with thyroid disease do have more difficulty with getting pregnant than the average woman. They also have a higher risk of miscarriage and preterm labor. Read more...
Not the only cause? It it's really subclinical hypothyroidism (tsh in the upper part of the range but normal thyroid hormone levels and no symptoms) it may not have as much effect on fertility as full-blown hypothyroidism. We treat to reduce OB complications in women trying to conceive. You should see a reproductive endocrinologist for testing if you haven't got pregnant in "years", there may well be other causes ... Read more...
TSH level. Most endocrinologist and fertility specialist will advocate for keeping TSH below 2 in women who have hashimoto's disease and desire pregnancy. Recent guidelines by the american thyroid association (ata) advocate for TSH between 0.1-2.5 for conception and first trimester. Good luck. Read more...

How often should I check on my subclinical hashimoto hypothyroidism via blood tests? I have no obvious symptoms & am taking levo. My TSH is normal.

Periodic labs. This is worth an office visit at least yearly for a routine tsh, more often if your physician wishes or you feel your thyroid status is changing. Read more...