Absent Periods / Amenorrhea: Hyperthyroidism can cause menstruation to stop for longer periods, a condition known as amenorrhea. If you are hypothyroid, be sure that you are optimally treated, as symptoms such as menstrual problems may persist if you are not at the optimal TSH and on the proper thyroid drug for you. Stress can play a big factor, but also discuss the issue your period issue with your doctor, its better to be then sorry down the road.
If you are hyperthyroid and taking antithyroid drugs, find out your TSH level, as too low a TSH level may be triggering menstrual-related symptoms
Administration of estrogen causes an increase in thyroid-binding globulin, which "ties up" in the blood stream more thyroid hormone than ever before. The bound thyroid is now not as free to enter the cells, and perform the needed metabolic work, however, it still exists in the bloodstream, and therefore the standard tests for it (T-3 uptake, Total T-4, Total T-3, and even the sensitive TSH) will be normal. -- there are frequent false negatives. This means that your tests may be normal but you may still be low thyroid, so it is recommended to test the Free FT-4 and FT-3.
Taking estrogen in any form, whether as hormone replacement therapy, or in birth control pills, can affect thyroid test results. For example, some women taking supplemental estrogen may need to take more thyroid replacement hormone. Estrogen increases a particular protein that binds thyroid hormone to it, making the thyroid hormone partially inactive. Thyroid tests can end up showing falsely increased total T-4 levels. For women without thyroids in particular, this can increase the dosage requirement slightly, as there is no thyroid to compensate.
Menopause, with its fluctuating hormone levels, can also impact your TSH levels.
Hope this helps!
I'm menopausal however, I do not have any "toys" in the toy box persay and am on hormone replacement therapy. I haven't had any trouble in that department however, I didn't know that taking estrogen could give false results.
Unfortunately, don't have any information to offer you but the people on this forum are great!!
I wish you the best of luck and hope that everything cools down a bit for you!!