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Postpartum Thyroiditis

What is postpartum thyroiditis?

In addition to playing an important role in the development of a growing fetus, proper thyroid hormone levels also help to minimize the chance of any thyroid complications after delivery. One particular postpartum complication is postpartum (after delivery) thyroiditis, a condition characterized by an inflamed thyroid gland. Postpartum thyroiditis is not a typical infection, however, the gland does become inflamed due to a response to an injury of the gland, of which the cause is unknown. Postpartum thyroiditis is a postpartum condition that results in temporary hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid). Postpartum thyroiditis is fairly common. In fact, 5 to 7 percent of women worldwide develop the disease after giving birth, according to the American Thyroid Association.

Who is at risk for postpartum thyroiditis?

Certain risk factors may help predict who is at an increased risk for developing postpartum thyroiditis, according to the American Thyroid Association. These include the following:

What are the symptoms of postpartum thyroiditis?

When the thyroid becomes inflamed, it will first emit large quantities of thyroid hormone into the bloodstream (hyperthyroidism). During this phase, most women are unaware of any symptoms, which are often mild and short-lived. However, once this initial phase passes, a woman either recovers completely or has sustained damage to her thyroid. If the thyroid gland was damaged, this damage, together with a depleted reservoir of thyroid hormones, can lead to hypothyroidism (underactive thyroid). This condition, too, may also clear up or result in further damage and complications.

The following are the most common symptoms of hyperthyroidism or hypothyroidism that accompany postpartum thyroiditis. However, each women may experience symptoms differently. Symptoms may include:

Hyperthyroidism
(overactive thyroid)

Hypothyroidism
(underactive thyroid)

feeling warm

feeling tired

experiencing muscle weakness

constipation

feeling tremulous

loss of memory

experiencing anxieties

cannot tolerate cold weather

rapid heartbeat

cramps in the muscles

loss of concentration

feeling weak

weight loss

weight gain

Postpartum thyroiditis symptoms usually do not appear until three to eight months after childbirth. The symptoms are also often mistaken for normal signs of recovery from childbirth or other medical conditions. Always consult your physician for a diagnosis.

How is postpartum thyroiditis diagnosed?

Diagnostic procedures utilized to detect postpartum thyroiditis depend on the phase of the disease. If symptoms of hyperthyroidism are present, a radioactive iodine uptake test can often determine whether it is postpartum thyroiditis or Graves disease, the most common form of hyperthyroidism. In addition to a complete medical history and physical examination, diagnostic procedures for postpartum thyroiditis may include a blood test to measure levels of thyroid hormones (T4) and thyroid-stimulating hormones (TSH) can usually determine whether the mother has hypothyroidism.

Treatment for postpartum thyroiditis:

Specific treatment for postpartum thyroiditis will be determined by your physician based on:

If the postpartum thyroiditis is in the hyperthyroidism (or initial) phase, treatment is usually not necessary. However, if the condition progresses and symptoms of hypothyroidism become evident, thyroid hormone replacement therapy may be considered.

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