When should I stop taking iodine during pregnancy?

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Which trimester is iodine most important?

During pregnancy, you need about 50% more iodine. It’s especially important during the first trimester, when your baby’s thyroid gland is developing and still unable to produce thyroid hormone, which is needed for normal brain development, according to researchers from Boston Medical Center.

How long do you take iodine for when pregnant?

Women considering pregnancy, who are pregnant, or who are breastfeeding are recommended to take an iodine supplement each day containing 150mcg of this trace mineral. One folic acid tablet (0.8 mg) is recommended to be taken daily for four weeks before conception through to 12 weeks after becoming pregnant.

Is too much iodine bad for pregnancy?

A new study warns that excessive iodine exposure might also be detrimental to maternal thyroid health and recommends a lower limit for maternal iodine intake during pregnancy than that currently advised by the WHO. Iodine is an essential micronutrient for thyroid hormone synthesis.

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How much iodine do I need daily while pregnant?

While many women report that they have “tested within normal limits for everything” and have a balanced diet, the American Thyroid Association, American Academy of Pediatrics and the Endocrine Society recommend a prenatal supplement of at least 150 micrograms of elemental iodine per day for every pregnant woman.

Is iodine important for pregnancy?

Iodine is essential for the production of maternal and fetal thyroid hormones that regulate the development of the fetal brain and nervous system (1). A woman’s iodine requirements increase substantially during pregnancy to ensure adequate supply to the fetus (2).

What happens if you don’t take iodine during pregnancy?

If she is deficient in iodine and thyroid hormone both during pregnancy and during pre-conception, the baby risks mental impairment. Severe iodine deficiency can lead to the extreme disability known as cretinism.

Why is iodine bad for pregnancy?

Very high levels of iodine in pregnancy could lead to low levels of thyroid hormone (hypothyroidism) in the baby. The baby could also develop a goiter (large thyroid gland) which can interfere with breathing.

Should I stop taking folic acid after 12 weeks?

Once you reach 12 weeks pregnant your baby’s spine will have developed, so you can stop taking folic acid if you wish. However you can continue to take supplements after 12 weeks if you choose to and it won’t harm your baby to do so.

What would most likely result from an excessive intake of iodine?

High intakes of iodine can cause some of the same symptoms as iodine deficiency—including goiter, elevated TSH levels, and hypothyroidism—because excess iodine in susceptible individuals inhibits thyroid hormone synthesis and thereby increases TSH stimulation, which can produce goiter [2,80].

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What is the best form of iodine to take?

For iodine deficiency: Consumption of iodized salt is recommended in most cases. For most people, iodized salt containing 20-40 mg of iodine per kilogram of salt is recommended. If salt consumption is less than 10 grams per person per day, the amount of iodine in salt may need to be higher.

How much iodine do we need daily?

The recommended daily limit for iodine intake is 150 micrograms for men and non-pregnant women. The recommended daily intake is 220 to 250 micrograms for pregnant women and 250 to 290 micrograms for women who are breast-feeding.

Why is there iodine in prenatal vitamins?

Iodine content is low or absent in some US multivitamin and prenatal vitamin brands. Iodine is essential for the production of thyroid hormone and for normal development of the baby during pregnancy.