View source for Menstrual disorder

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A '''menstrual disorder''' is an irregular condition in a woman's [[menstrual cycle]].

==Oligoovulation==
Infrequent or irregular ovulation (usually defined as cycles of >/=36 days or <8 cycles a year) is called '''oligoovulation'''.

==Anovulation==
{{main|Anovulation}}
{{DiseaseDisorder infobox |
  Name        = Female infertility associated with anovulation |
  ICD10       = N97.0 |
  ICD9        = 628.0 |
}}
'''Anovulation''' is absence of [[ovulation]] when it would be normally expected (in a post-[[menarche|menarchal]], premenopausal woman).  Anovulation usually manifests itself as irregularity of menstrual periods, that is, unpredictable variability of intervals, duration, or bleeding. Anovulation can also cause cessation of periods (secondary amenorrhea) or excessive bleeding ([[dysfunctional uterine bleeding]]).

==Polymenorrhea==

'''Polymenorrhea''' is the medical term for abnormally frequent menstruation that consists of a normal quantity and duration with cycle interval of less than 21 days. 

=== Differential Diagnosis === 
'''Causes'''
*Anovulatory cycle
*Bi-phasic cycle
*[[Hyperthyroidism]]

==Oligomenorrhea==
{{DiseaseDisorder infobox |
  Name           = Oligomenorrhea |
  ICD10          = {{ICD10|N|91|5|n|80}} |
  ICD9           = {{ICD9|626.1}} |
  ICDO           = |
  Image          = |
  Caption        = |
  OMIM           = |
  MedlinePlus    = |
  eMedicineSubj  = |
  eMedicineTopic = |
  DiseasesDB     = 14843 |
}}

'''Oligomenorrhea''' is the medical term for infrequent or light menstrual periods (frequency exceeding 35 days).

==Dysmenorrhea==
{{main|Dysmenorrhea}}
{{DiseaseDisorder infobox |
  Name        = Dysmenorrhea |
  ICD10       = N94.4-N94.6 |
  ICD9        = |
}}
'''Dysmenorrhea''' (or '''dysmenorrhoea'''), '''cramps''' or '''painful [[menstruation]]''', involves menstrual periods that are accompanied by either sharp, intermittent pain or dull, aching pain, usually in the [[pelvis]] or lower [[abdomen]].

==Amenorrhea==
{{main|Amenorrhea}}

{{DiseaseDisorder infobox |
  Name        = Amenorrhoea |
  ICD10       = N91 |
  ICD9        = 626.0 |
}}

'''Amenorrhea''' is the absence of a menstrual period in a woman of reproductive age. Physiologic states of amenorrhoea are seen during [[pregnancy]] and [[breastfeeding|lactation]] (breastfeeding). Outside of the reproductive years there is absence of menses during childhood and after [[menopause]].

==Menorrhagia==
{{main|Menorrhagia}}
'''Menorrhagia''' is an abnormally heavy and prolonged menstrual period. Causes may be due to abnormal blood clotting, disruption of normal hormonal regulation of periods or disorders of the [[endometrium|endometrial]] lining of the [[uterus]]. Depending upon the cause, it may be associated with abnormally painful periods ([[dysmenorrhoea]]).

==Related Problems== 

*[[Premenstrual syndrome]] (PMS) 
*[[Stress (medicine)|Stress]] and [[anxiety]]
*[[Pelvic inflammatory disease]] 
*[[Adenomyosis]]
*History of [[sexual abuse|sexual]] or physical abuse 
*[[Fibroids]] 
*[[Ovarian cyst]]s 
*[[Endometriosis]]

==External links==
* [http://www.hmc.psu.edu/healthinfo/no/oligomenorrhea.htm Oligomenorrhea] at Penn State
*[http://www.nlm.nih.gov/medlineplus/ency/article/003150.htm NIH]

[[Category:Gynecology]]
[[Category:Menstruation]]


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