How common is hypothyroidism during pregnancy?

The prevalence of hypothyroidism during pregnancy is estimated to be 0.3–0.5% for overt hypothyroidism and 2–3% for subclinical hypothyroidism. Autoimmune thyroiditis is the commonest cause of hypothyroidism during pregnancy.

What percentage of pregnancies are affected by hypothyroidism?

But for a small number of pregnant women, they can be signs of hypothyroidism, a condition in which the thyroid gland doesn’t produce enough hormones. Up to 3 percent of pregnant women have hypothyroidism.

How common is pregnancy induced hypothyroidism?

Hypothyroidism in pregnancy is usually caused by Hashimoto’s disease and occurs in 2 to 3 out of every 100 pregnancies. Hashimoto’s disease is an autoimmune disorder.

Does hypothyroidism affect baby during pregnancy?

Hypothyroidism and pregnancy

Deprivation of the maternal thyroid hormone due to hypothyroidism can have irreversible effects on the fetus. Early studies found that children born to mothers with hypothyroidism during pregnancy had lower IQ and impaired psychomotor (mental and motor) development.

How can I prevent hypothyroidism during pregnancy?

Hypothyroidism is treated with a synthetic (man-made) hormone called levothyroxine, which is similar to the hormone T4 made by the thyroid. Your doctor will adjust the dose of your levothyroxine at diagnosis of pregnancy and will continue to monitor your thyroid function tests every 4-6 weeks during pregnancy.

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Is hypothyroidism considered high risk pregnancy?

Pregnant women with uncontrolled hypothyroidism can get high blood pressure, anemia (low red blood cell count), and muscle pain and weakness. There is also an increased risk of miscarriage, premature birth (before 37 weeks of pregnancy), or even stillbirth.

Can hypothyroidism cause a miscarriage?

If you’ve been diagnosed with hypothyroidism — or an underactive thyroid — you may be wondering if it may cause problems during pregnancy or even a miscarriage. In fact, hypothyroidism is linked to miscarriages so it’s important to be able to recognize the signs of this condition.

How often should thyroid be checked during pregnancy?

Thyroid hormone levels need to be checked every 4 weeks during the first half of pregnancy. The treatment is safe and essential to both mother and fetus.

Does hypothyroidism cause birth defects?

Hypothyroidism caused more birth defects than did hyperthyroidism. It’s possible that the same antibodies that cause the underactive thyroid also could be responsible for the birth defects, Nagey says.

Is high TSH common during pregnancy?

Thyroid hormone has an important role in brain development of the baby during pregnancy. It is clear that overt hypothyroidism (increased TSH levels and low thyroid hormone levels) in the mother, especially early in pregnancy, can affect the baby’s brain development or cause other problems with the pregnancy.

Is TSH 4.2 normal in pregnancy?

If TSH persistently shows values above the normal limit with normal FT4, it confirms the biochemical diagnosis of subclinical hypothyroidism (SCH). The prevalence of SCH is 4–8% in non-pregnant women. For non-pregnant women, the TSH upper normal limit is typically 4.2 to 4.5 mIU/L [7].

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What are early warning signs of thyroid problems?

Early Signs of Thyroid Problems

  • Digestive Challenges. If you develop hyperthyroidism, you may have very loose stools. …
  • Mood Issues. …
  • Unexplained Weight Fluctuations. …
  • Skin Problems. …
  • Difficulty Dealing With Temperature Changes. …
  • Changes in Your Vision. …
  • Hair Loss. …
  • Memory Problems.

How can I get rid of my thyroid during pregnancy?

Levothyroxine is the most common medicine used to treat an underactive thyroid during pregnancy. Levothyroxine replaces the thyroid hormone T4, which your own thyroid isn’t making or isn’t making enough of. It’s safe to take this medicine during pregnancy.