Thyroid Disease & Pregnancy

pregnancy with hypothyroid

T3 is included in a lot of thyroid medicines made with animal thyroid, such as Armour Thyroid, but is not useful for your baby’s brain development. These medicines contain too much T3 and not enough T4, and should not be used during pregnancy. Experts recommend only using levothyroxine (T4) while you’re pregnant.

Over time, the damage prevents your thyroid from making enough hormones for your body to function properly. This process can accelerate during pregnancy, when your need for thyroid hormones goes up. Treatment for hypothyroidism involves replacing the hormone that your own thyroid can no longer make. Your doctor will most likely prescribe levothyroxine, a thyroid hormone this content medicine that is the same as T4, one of the hormones the thyroid normally makes. Levothyroxine is safe for your baby and especially important until your baby can make his or her own thyroid hormone. Hypothyroidism in pregnancy is usually caused by Hashimoto’s disease and occurs in 2 to 3 out of every 100 pregnancies.1 Hashimoto’s disease is an autoimmune disorder.

Other symptoms of hypothyroidism, such as constipation and muscle cramps, are also often chalked up to common pregnancy aches and pains. Routine screening for hypothyroidism during pregnancy is not recommended. A pregnant woman with symptoms of hypothyroidism, a history of hypothyroidism, or with other endocrine system conditions should be screened. The thyroid gland is a butterfly-shaped endocrine gland that is normally located in the lower front of the neck.

Many symptoms of the condition are similar to pregnancy symptoms. For example, they can both cause fatigue, weight gain, and changes in menstruation. Having low thyroid hormone levels can also cause problems with becoming pregnant. Because the thyroid uses iodine to make thyroid hormone, iodine is an important mineral for you while you’re pregnant. You’ll need more iodine when you’re pregnant about 250 micrograms a day.1 Good sources of iodine are dairy foods, seafood, eggs, meat, poultry, and iodized salt salt with added iodine. However, too much iodine from supplements such as seaweed can cause thyroid problems.

If your hypothyroidism doesn’t go away, you will need to take thyroid hormone medicine for the rest of your life. If you had hypothyroidism before you became pregnant and are taking levothyroxine, you will probably need to increase your more info dose. Most thyroid specialists recommend taking two extra doses of thyroid medicine per week, starting right away. Some women with subclinical hypothyroidism a mild form of the disease with no clear symptoms may not need treatment.

pregnancy with hypothyroid

You might not know you have hypothyroidism before you get pregnant. If you have mild hyperthyroidism during pregnancy, you probably won’t need treatment. If your hyperthyroidism is linked to hyperemesis gravidarum, you only need treatment for vomiting and dehydration. Therefore, it is routine practice to monitor the lowest price blood level of the thyroid-stimulating hormone (TSH) during pregnancy. For more information, please read the article on hypothyroidism. If there’s concern about how well your thyroid is working, your provider will check the level of thyroid-stimulating hormone (TSH) in your blood at your first prenatal visit.

Most people in this country get enough iodine through their diet, either by using iodized salt or by taking a multivitamin, so it’s rare for hypothyroidism to be caused by a lack of iodine. This content is provided as a service of the National Institute of Diabetes and Digestive and Kidney Diseases(NIDDK), part of the National Institutes of Health. NIDDK translates and disseminates research findings to increase knowledge and understanding about health and disease among patients, health professionals, and the public. Content produced by NIDDK is carefully reviewed by NIDDK scientists and other experts.

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