Thyroid dysfunctions are relatively common among women of reproductive age and can affect fertility in various ways:
I was told to have high TSH, what does it mean?
TSH is produced by pituitary in your brain. High TSH often suggests that your thyroid gland is not making adequate thyroid hormone, and the pituitary gland has responded by making more TSH to try to get your thyroid gland to work more and produce more thyroid hormones.
What should I do if my TSH level is abnormally high?
What is the ideal TSH level to get pregnant?
TSH < 4.5 has been used as the upper limit for TSH. However, studies have suggested that TSH should be no higher than 2.5 when trying to conceive and 3.0 during pregnancy.