Frequent question: Is it safe to take thyroid medicine while pregnant?

Can my thyroid affect my pregnancy?

The thyroid makes hormones that help your body work. If it makes too little or too much of these hormones, you may have problems during pregnancy. Untreated thyroid conditions during pregnancy are linked to serious problems, including premature birth, miscarriage and stillbirth.

Can thyroid medication cause birth defects?

The most commonly prescribed anti-thyroid medication, called Methimazole or Tapazole (MMI), may be associated with birth defects.

When should thyroid medication be taken during pregnancy?

Many endocrinologists advise pregnant women to take a higher dose of Levothyroxine as soon as pregnancy is confirmed and to come in to have blood tests for TSH more often to ensure that the level remains normal.

Which thyroid drug is safe in pregnancy?

Both methimazole (MMI) and propylthiouracil (PTU) may be used during pregnancy; however, PTU is preferred in the first trimester and should be replaced by MMI after this trimester.

What should a pregnant woman eat for thyroid?

Thyroid Disease and Eating During Pregnancy

Good sources of iodine are dairy foods, seafood, eggs, meat, poultry, and iodized salt—salt with added iodine. Experts recommend taking a prenatal vitamin with 150 micrograms of iodine to make sure you’re getting enough, especially if you don’t use iodized salt.

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How can I reduce my thyroid during pregnancy?

For women who require treatment for hyperthyroidism, an antithyroid medication that blocks production of thyroid hormones is used. This medication—propylthiouracil (PTU)—is usually given during the first trimester, and — if necessary, methimazole can be used, after the first trimester.

Is hypothyroidism considered high risk pregnancy?

But if your thyroid isn’t making enough hormones, you and your baby are at risk. Studies have linked untreated hypothyroidism during pregnancy to an increased risk of miscarriage and premature delivery.

Can hypothyroidism cause Down syndrome in pregnancy?

The observation that thyroid disease is frequent in mothers of children with Down syndrome (DS) has suggested that maternal thyroid antibodies could be a factor predisposing to trisomy 21 in their offspring.

Does levothyroxine cause birth defects?

Levothyroxine Pregnancy Warnings

There is a long history of using this drug in pregnant women and this experience has not shown increased rates of fetal malformations, miscarriages or other adverse maternal or fetal outcomes.

Can too much thyroid medication cause miscarriage?

Researchers from the University of Chicago have showed, for the first time, that an excess of thyroid hormone during pregnancy has a direct toxic effect on the fetus, tripling the risk of miscarriage and reducing the average birth weight of infants who survive.

Does hypothyroidism cause autism?

Babies born to women with low thyroid hormone levels but a normal TSH did not have an increased risk of autism. TPO antibodies in the mother were not associated with autism either. This study suggests that severe hypothyroidism in early pregnancy is associated with a diagnosis of autism in children.

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