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- $Unique_ID{BRK00561}
- $Pretitle{}
- $Title{Menstrual Cycles in Women Athletes}
- $Subject{exercise period menstrual cycle Genitourinary irregularity abnormal
- bleeding hypothalamus gonadotropin releasing hormone GnRH endogenous opiates
- exercise induced amenorrhea Stress fractures hormones}
- $Volume{J-22}
- $Log{
- The Menstrual Cycle*0009101.scf}
-
- Copyright (c) 1991-92,1993 Tribune Media Services, Inc.
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- Menstrual Cycles in Women Athletes
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- QUESTION: There is no longer much question amongst women athletes that our
- normal menstrual cycles are affected by the physical training we go through.
- My question is why does it happen, and I am at risk for any other unwanted
- illness? Last but not least, have you any suggestions for dealing with the
- problem?
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- ANSWER: The problem certainly is a real one, and affects young women who have
- never had a child most often. The condition can range from irregularity to
- abnormal bleeding to complete absence of a menstrual period. It also appears
- that the intensity of the training and the severity of the abnormality may
- also be linked. The culprit seems to be the hypothalamus, a part of the brain
- responsible for producing gonadotropin releasing hormone (GnRH), which in turn
- affects the hormones that regulate a woman's normal cycle. During intense
- exercise the body produces chemicals called "endogenous opiates" (part of the
- reason some athletes get a "high" from their activity) which reduce the
- production of GnRH and arrests the cycle. When this occurs it's called
- "exercise-induced amenorrhea". Women with this problem have lower bone mass,
- and their bone density can closely resemble the situation seen in
- postmenopausal women. Stress fractures may result sometimes occurring in the
- pelvic and lumbosacral bones. You won't like my advice much, for good sense
- requires that the training schedule must be modified and reduced. Smoking is
- an absolute no-no, as it too has an antiestrogenic effect. Some researchers
- are trying an estrogen replacement therapy in women athletes who just won't
- change their preparation schedules or training programs. Currently available
- results of medical research just doesn't have all the answers, and I suspect
- the ones I do have now are not quite what you hoped they would be.
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- The material contained here is "FOR INFORMATION ONLY" and should not replace
- the counsel and advice of your personal physician. Promptly consulting your
- doctor is the best path to a quick and successful resolution of any medical
- problem.
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