Who Is Affected by Hypothyroidism
Hypothyroidism is the most common type of thyroid
problem. The incidence tends to increase with age, with women older than 60 at
highest risk. Hypothyroidism tends to run in families.
- Hypothyroidism occurs in 4 to 5 out of 100 people
in the United States.3
- Hypothyroidism is
more common in older people than in younger and more common in women than in
- In iodine-deficient areas of the world, 10 to 20 times more
people have hypothyroidism than in the United States.1
- Mild (subclinical) hypothyroidism affects up to
20 out of 100 of women older than 60.3
- About 2 out of 100 of pregnant women in the United
States develop hypothyroidism.3
- 1 out of
every 4,000 infants born worldwide has hypothyroidism. Girls are twice as
likely to have hypothyroidism as boys.2
WebMD Medical Reference from Healthwise
July 16, 2010
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Who Is Affected by Hypothyroidism Topics