Can hypothyroidism affect fertility?

Yes. Abnormal thyroid function, either high or low, can affect fertility. It can also affect the development of the fetus, so you want to make sure thyroid levels are normal during pregnancy.

Related Questions

Can hypothyroidism affect fertility in men and can it also affect the offspring of such fathers?

Hypothyroidism. Can affect a male's fertility but it usually has to be significantly abnormal to do so. Read more...
Yes. Hypothyroidism can lower fertility in both men and women. The good news is that it returns to whatever their "normal" was with appropriate replacement w/brand name t4. Read more...

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...