Amenorrhea classification: Difference between revisions
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Created page with "__NOTOC__ {{Amenorrhea}} {{CMG}} ==Overview== ==Classification== ===Primary amenorrhea=== In primary amenorrhea there is absence of menarche by the age of 16. Menstruatio..." |
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==Classification== | ==Classification== | ||
Amenorrhea is broadly classified as primary and secondary. | |||
Menstruation | * '''Primary amenorrhea''' there is absence of [[menarche]] by the age of 16. [[Menstruation cycle]]s never begin. There will be a delay of [[menses]] one year beyond the family history of first menses. | ||
* '''Secondary amenorrhea''' is defined as absence of menses in a woman who had previously menstruated for at least 3 cycles or 6 months. Secondary amenorrhea is more common than primary [[amenorrhea]]. | |||
The other type of classification based on the levels of gonadotropic hormones includes: | |||
* '''Hypogonadotropic amenorrhoea''' refers to conditions where there are very low levels of serum [[FSH]] and [[LH]]. | |||
* '''Hypergonadotropic amenorrhoea''' refers to conditions with high levels of [[FSH]] (and [[LH]]). | |||
* '''Normogonadotropic amenorrhoea''' - FSH levels are in the normal range. | |||
==References== | ==References== | ||
Revision as of 14:42, 22 August 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Classification
Amenorrhea is broadly classified as primary and secondary.
- Primary amenorrhea there is absence of menarche by the age of 16. Menstruation cycles never begin. There will be a delay of menses one year beyond the family history of first menses.
- Secondary amenorrhea is defined as absence of menses in a woman who had previously menstruated for at least 3 cycles or 6 months. Secondary amenorrhea is more common than primary amenorrhea.
The other type of classification based on the levels of gonadotropic hormones includes:
- Hypogonadotropic amenorrhoea refers to conditions where there are very low levels of serum FSH and LH.
- Normogonadotropic amenorrhoea - FSH levels are in the normal range.