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Classification of osteoporosis
There are four types of osteoporosis. Primary osteoporosis Primary osteoporosis is the most
common type of osteoporosis. It is more common in women. In women, primary
osteoporosis usually begins after monthly menstrual periods stop, when a woman's
production of estrogen slows down (typically between the ages
of 45 and 55). In men, it typically develops at about 45 to 50 years of age,
when a man's production of testosterone slows down, although usually it has
no effect until about age 65.
Secondary osteoporosis Secondary osteoporosis has the
same symptoms as primary osteoporosis. However, it occurs as a result of having
certain medical conditions or taking certain medications known to cause bone breakdown.
Secondary osteoporosis can occur at any age.
Osteogenesis imperfecta Osteogenesis imperfecta is a rare
form of osteoporosis that is present at birth. There are about 20,000 people
in the United States with this type of osteoporosis. Idiopathic juvenile osteoporosis
Idiopathic juvenile osteoporosis
is rare. It occurs in children between the ages of 8 and 14 or during times
of rapid growth. There is no known cause for this type of osteoporosis.
Source: Your Health Encyclopedia, 4-rd Edition, 2002
Last Revised at December 6, 2007 by Amalia K. Gagarina, M.S., R.D.
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