Does hyperthyroidism prevent pregnancy? New studies have confirmed that thyroid disorders can lead to infertility in women.. This research, published in the Journal of Gynecology and Obstetrics, shows that 2.3% of women with infertility problems have hyperthyroidism.. Consequently, if you ask if hyperthyroidism causes infertility or sterility, you should not over-treat and control the thyroid.. Link to learn **Effects of hyperthyroidism in pregnancy**... ### **Infertility problems caused by hyperthyroidism** Problems related to the thyroid gland can affect the fertility of women and men in different ways, including: #### **Irregularity of the menstrual cycle:** Hyperthyroidism leads to low levels of thyroid hormone in the blood, which is associated with short periods with heavy bleeding and regular periods less than 21 days apart... #### **Imbalance in estrogen and progesterone:** Normal levels of both hormones are necessary for fertility... This hormone, which is secreted by the liver, plays an important role in the transport of testosterone, dihydrotestosterone (DHT) and estradiol. Hyperthyroidism causes the level of this hormone to be very high... Hyperthyroidism can also affect the quality and number of sperm. According to the report of the American Urological Association, if male infertility is diagnosed as the cause of couples' infertility, in most cases, this problem is related to sperm... #### **Effect on men's sexual performance:** Thyroid diseases, especially hyperthyroidism in men, affect their sexual function.. such as: decreased libido, lack of ejaculation and premature ejaculation.... Although none of these cases indicate male infertility, they can make it difficult for couples to conceive naturally.. Even more important than infertility, women with hyperthyroidism who become pregnant should be aware of the risk of miscarriage. It is more in the first trimester ** Click on the link to treat this disease before pregnancy... Hyperthyroidism in pregnancy**. Read **Dr. Ahmad Fanai's office**, click on its link.... You can also contact us for consultation at **call** .

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