LH (luteinizing Hormone)
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LH (Luteinizing
Hormone) is a hormone, released from the anterior pituitary gland. It
is a gonadotropin, stimulating the ovary to produce hormones and
ovulate. LH stimulates ovum maturation and ovulation, estrogen
production, progesterone production, and supports the corpus luteum.
There is spike of FSH coincidental with the LH surge. These lead to
ovulation within a few hours.
Spot urine measurements of LH are available commercially in
over-the-counter "LH Surge" kits. A positive test normally
confirms ovulation either has just occurred or will occur within the next
few hours.
Elevations found in:
- Ovulation
- Ovarian failure
- Menopause
- Testicular Feminization Syndrome
Decreases found in:
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Normal Values*
| Men |
7-24 mIU/ml |
|
Women
(Follicular Phase) |
6-30 mIU/ml |
Women
(Midcycle) |
>3x baseline |
Women
(Menopausal) |
>30 mIU/ml |
*These are general values taken from a variety of
sources. The actual normal values may vary from lab to lab and from one
type of testing protocol to another.
LH Levels in One Cycle
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Approved for public release;
Distribution is unlimited.
The listing of any non-Federal product in this CD is not an endorsement of the
product itself, but simply an acknowledgement of the source.
Bureau of Medicine and Surgery
Department of the Navy
2300 E Street NW
Washington, D.C
20372-5300 |
Operational Medicine
Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
January 1, 2001 |
United States Special Operations
Command
7701 Tampa Point Blvd.
MacDill AFB, Florida
33621-5323 |
*This web version is provided by
The Brookside Associates Medical Education Division. It contains
original contents from the official US Navy NAVMED P-5139, but has been
reformatted for web access and includes advertising and links that were not
present in the original version. This web version has not been approved by the
Department of the Navy or the Department of Defense. The presence of any
advertising on these pages does not constitute an endorsement of that product or
service by either the US Department of Defense or the Brookside Associates. The
Brookside Associates is a private organization, not affiliated with the United
States Department of Defense.
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Operational Medicine 2001
Contents
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