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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.
Neonatal hypothyroidism has been reported in cases of infants exposed to lithium, a mood stabilizer used to treat bipolar disorder, in utero. [4] In some instances, hypothyroidism detected by screening may be transient. One common cause of this is the presence of maternal antibodies that temporarily impair thyroid function for several weeks. [5]
Thyroid hormones, T4 and TSH, diffuse across the placenta traveling from the mother to fetus for 10–12 weeks before the fetus’s own thyroid gland can begin synthesizing its own thyroid hormones. [2] The mother continues to supply some T4 to the fetus even after he/she is able to synthesize his/her own.
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 ...
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 ...
Women being treated for Hashimoto's disease can become pregnant. It is recommended that thyroid function be well-controlled before getting pregnant. [1] Untreated or poorly treated underactive thyroid can lead to problems for the mother, such as: Preeclampsia; Anemia; Miscarriage; Placental abruption; High cholesterol; Postpartum bleeding [1]
Multiple studies have confirmed Dr. Shettles's findings that the larger X-bearing, female producing spermatozoa are hardier, another factor that is important in his method. Men who work at high altitudes, in high heat environments and in situations that expose them to various toxic substances and other forms of physiological stress have been ...