What can affect your TSH levels?
Gabriel Cooper
Updated on March 09, 2026
What can affect your TSH levels?
These are factors that can affect your thyroid levels:
- You get tested at different times of the day.
- You go to different labs for testing.
- You switch brands.
- You skip pills.
- You take the wrong dosage.
- You’re inconsistent.
- You become pregnant.
- You take other medications.
Can the contraceptive pill affect your thyroid?
Birth control pills (oral contraceptives) containing estrogen or both estrogen and progesterone can alter that delicate balance of free and bound thyroid hormone in your body. The estrogen in birth control pills increases the amount of thyroid binding proteins available to bind to thyroid hormone.
Can you take birth control pills with hypothyroidism?
But hypothyroidism does not have to get in the way of your reproductive and sexual health! If you are diagnosed with and treated for hypothyroidism, it is still safe to use most forms of birth control.
What causes a TSH level to rise?
Your TSH levels will be increased, if: Your thyroid gland is not working as it normally should. Your thyroid gland is infected or inflamed, as in Hashimoto’s thyroiditis, or autoimmune thyroiditis. This occurs when your body is attacking your thyroid gland, for some unknown reason.
Does estrogen affect TSH levels?
Specifically, estrogen affects the thyroid gland’s ability to produce enough triiodothyronine (T3) and thyroxine (T4) to meet the needs of the body. In response, the pituitary gland releases more TSH into the bloodstream in an attempt to stimulate the thyroid.
Can IUD mess up thyroid?
Mirena IUD Injuries Most recently, additional side effects are being reported by women throughout the internet. These side effects refer to thyroid disease in both forms; hypothyroidism and hyperthyroidism, along with an increase in thyroid nodules or goiter.
Can hypothyroidism go away?
In other cases, the symptoms of hypothyroidism will go away shortly after you start treatment. For those with particularly low levels of thyroid hormones, hypothyroidism is a life-long condition that will need to be controlled with medication on a regular schedule.
What is a good TSH level for a woman?
The normal range of TSH levels in non-pregnant adult women is 0.5 to 5.0 mIU/L. In women, during the menstruation cycle, pregnancy, or after menopause, TSH levels may fall slightly outside the normal range, because of fluctuating levels of estrogen.
