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Hypothyroidism is common in pregnancy with an estimated prevalence of 2-3% and 0.3-0.5% for subclinical and overt hypothyroidism respectively. [8] Endemic iodine deficiency accounts for most hypothyroidism in pregnant women worldwide while chronic autoimmune thyroiditis is the most common cause of hypothyroidism in iodine sufficient parts of the world.
One study showed infants born to treated hypothyroid mothers had abnormal thyroid function compared to matched controls. [2] Therefore, it is advised to monitor T4 levels throughout the pregnancy in case treatment dosages should be increased to accommodate both the mother’s and fetus’s thyroid hormone requirements.
Postpartum thyroiditis refers to thyroid dysfunction occurring in the first 12 months after pregnancy [1] and may involve hyperthyroidism, hypothyroidism or the two sequentially. According to the National Institute of Health, postpartum thyroiditis affects about 8% of pregnancies. [2] There are, however, different rates reported globally.
Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold , extreme fatigue, muscle aches , constipation , slow heart rate , depression , and ...
The causes of hypothyroidism can vary, but it's most commonly due to the immune system making antibodies that attack the thyroid, which ultimately results in thyroid gland dysfunction, says Andres ...
Certain medications can have the unintended side effect of affecting thyroid function. While some medications can lead to significant hypothyroidism or hyperthyroidism and those at risk will need to be carefully monitored, some medications may affect thyroid hormone lab tests without causing any symptoms or clinical changes, and may not require treatment.
To get pregnant while already pregnant, you would need to ovulate again — which “doesn’t happen because the high levels of progesterone hormone during pregnancy prevents ovulation,” says ...
Congenital iodine deficiency syndrome (CIDS), also called cretinism, [2] is a medical condition present at birth marked by impaired physical and mental development, due to insufficient thyroid hormone production (hypothyroidism) often caused by insufficient dietary iodine during pregnancy. It is one cause of underactive thyroid function at ...