Irregular menstruation

Irregular menstruation
Classification and external resources
ICD-10 N92.1, N92.5, N92.6

Irregular menstruation (or irregular cycles/periods) is an abnormal variation in length of menstrual cycles in a woman. Normally, it is actually unusual for a woman to experience cycle length variations of less than four days between the shortest and longest cycle lengths.[1] However, length variation between eight and 20 days is considered as moderately irregular cycles.[1] Variation of 21 days or more is considered very irregular.[1] Alternatively, an irregular menstruation period may be defined as one shorter than 21 days, or longer than 36 days.[2]

Types

The term metrorrhagia is often used for irregular menstruation that occurs between the expected menstrual periods.[3]

Oligomenorrhea is infrequent or very light menstruation,[4] Also, menstrual periods should have been regularly established previously before the development of infrequent flow.[4] and often (but not always) involves irregular intervals.

References

  1. ^ a b c Kippley, John; Sheila Kippley (1996). The Art of Natural Family Planning (4th ed.). Cincinnati, OH: The Couple to Couple League. pp. 92. ISBN 0-926412-13-2. 
  2. ^ about.com > If I Have Irregular Periods, Will I Have Trouble Getting Pregnant? By Rachel Gurevich. Updated October 26, 2009
  3. ^ MedicineNet.com > Definition of Metrorrhagia Last Editorial Review: 3/17/2003
  4. ^ a b thefreedictionary.com > oligomenorrhea This dictionary, in turn, is citing: Gale Encyclopedia of Medicine. 2008

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