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Hypothyroidism is a condition marked by an underactive thyroid gland and may be present during pregnancy. Many symptoms of hypothyroidism are similar to pregnancy symptoms. For example, fatigue, weight gain, and abnormal menstruation are common to both.
Hypothyroidism is a common condition, which can go undetected if symptoms are mild. Hypothyroidism means the thyroid is underactive, producing insufficient amounts of thyroid hormones. Symptoms of hypothyroidism may be mild and may start slowly. The following are the most common symptoms of hypothyroidism:
Unable to stand cold temperatures
Swelling of the face
Skin and hair changes, including eyebrows
Carpal tunnel syndrome (hand tingling or pain)
Slow heart rate
Irregular menstrual periods
The symptoms of hypothyroidism may resemble other conditions or medical problems. Always consult your doctor for a diagnosis.
During the first few months of pregnancy, the fetus relies on the mother for thyroid hormones. Thyroid hormones are important in normal brain development and growth of the fetus. Hypothyroidism in the mother can have long-lasting effects on the fetus.
Screening for hypothyroidism involves a blood test that measures thyroid hormone (thyroxine, or T4) and serum TSH (thyroid-stimulating hormone) levels. Hypothyroidism is often suspected when TSH levels are above normal and T4 levels are below normal. Always consult your doctor for a diagnosis.
Routine screening for hypothyroidism during pregnancy is not recommended. A pregnant woman with symptoms of hypothyroidism, a history of hypothyroidism, or with related conditions (for example, diabetes) should be screened.
Thyroid hormone replacement therapy is used to treat the mother. Dosage of thyroid hormone replacement therapy is based on the individual's levels of thyroid hormones. Thyroid hormone levels may change during pregnancy. And, the thyroid replacement dosing may also change. The treatment is safe and essential to both mother and fetus. Routine screening for all newborns includes a test of thyroid hormone levels.
Bayhealth is Southern Delaware’s healthcare leader with hospitals in Dover and in Milford. Bayhealth provides a wide range of medical services, including cardiovascular, cancer, orthopaedics and rehabilitation, pediatrics, respiratory care, sleep care, surgical weight loss and women’s services.