Anovulation
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| Anovulation Classification and external resources | |
| ICD-10 | N97.0 |
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| ICD-9 | 628.0 |
| eMedicine | med/146 |
| MeSH | D000858 |
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Ongoing Trials on Anovulation at Clinical Trials.gov Clinical Trials on Anovulation at Google
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US National Guidelines Clearinghouse on Anovulation
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Patient resources on Anovulation Discussion groups on Anovulation Patient Handouts on Anovulation Directions to Hospitals Treating Anovulation Risk calculators and risk factors for Anovulation
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Overview
Anovulation is absence of ovulation when it would be normally expected (in a post-menarchal, premenopausal woman). Anovulation can result from a variety of factors:
- Taking birth control pills
- Stress, new environment
- Chronic mental illness, such as depression
- Chronic physical illness, such as inflammatory bowel disease, poorly controlled diabetes, tuberculosis, or anemia
- Undernutrition, specific nutrient deficiencies, inadequate body fat
- Prolonged or continuous physical exertion
- Various pharmaceutical (especially phenothiazines) and recreational drugs
- Hormone imbalances, such as prolactin or testosterone excess (e.g., polycystic ovary syndrome), hyper- or hypothyroidism, adrenal insufficiency or Cushing's syndrome.
- Pituitary failure or ovarian failure. [1]
Some anovulatory women may have two or more contributing conditions. Anovulation can generally be reversed by ameliorating the causal factors (except in cases of permanent pituitary or ovarian failure).
For most women, alteration of menstrual periods is the principal indication of chronic anovulation. Ovulatory menstrual periods tend to be regular and predictable in terms of cycle length, duration and heaviness of bleeding, and other symptoms. Ovulatory periods are often accompanied by midcycle symptoms such as mittelschmerz or premenstrual symptoms. In contrast, 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). Mittelschmerz and premenstrual symptoms tend to be absent or reduced when a woman is anovulatory.
Chronic anovulation is a common cause of infertility.
In addition to the alteration of menstrual periods and infertility, chronic anovulation can cause or exacerbate other long term problems, such as hyperandrogenism or osteopenia. It plays a central role in the multiple imbalances and dysfunctions of polycystic ovary syndrome.
External links
References
WikiDoc Research Resources for Anovulation (Click show to right to view) | |
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| Articles on Anovulation | Most recent articles on Anovulation • Most cited articles on Anovulation • Review articles on Anovulation • Articles on Anovulation in N Eng J Med, Lancet, BMJ |
| Media (Slides, Video, Images, MP3) on Anovulation | Powerpoint slides on Anovulation • Images of Anovulation • Photos of Anovulation • Podcasts & MP3s on Anovulation • Videos on Anovulation |
| Evidence Based Medicine Regarding Anovulation | Cochrane Collaboration on Anovulation • Bandolier on Anovulation • TRIP on Anovulation |
| Cost Effectiveness of Anovulation | Cost Effectiveness of Anovulation |
| Clinical Trials Involving Anovulation | Ongoing Trials on Anovulation at Clinical Trials.gov • Trial results on Anovulation • Clinical Trials on Anovulation at Google |
| Guidelines / Policies / Government Resources (FDA/CDC) Regarding Anovulation | US National Guidelines Clearinghouse on Anovulation • NICE Guidance on Anovulation • NHS PRODIGY Guidance • FDA on Anovulation • CDC on Anovulation |
| Textbook Information on Anovulation | Books and Textbook Information on Anovulation |
| Pharmacology Resources on Anovulation | Dosing of Anovulation • Drug interactions with Anovulation • Side effects of Anovulation • Allergic reactions to Anovulation • Overdose information on Anovulation • Carcinogenicity information on Anovulation • Anovulation in pregnancy • Pharmacokinetics of Anovulation • |
| Genetics, Pharmacogenomics, and Proteinomics of Anovulation | Genetics of Anovulation • Pharmacogenomics of Anovulation • Proteomics of Anovulation |
| Newstories on Anovulation | Anovulation in the news • Be alerted to news on Anovulation • News trends on Anovulation |
| Commentary on Anovulation | Blogs on Anovulation |
| Patient Resources on Anovulation | Patient resources on Anovulation • Discussion groups on Anovulation • Patient Handouts on Anovulation • Directions to Hospitals Treating Anovulation • Risk calculators and risk factors for Anovulation |
| Healthcare Provider Resources on Anovulation | Symptoms of Anovulation • Causes & Risk Factors for Anovulation • Diagnostic studies for Anovulation • Treatment of Anovulation |
| Continuing Medical Education (CME) Programs on Anovulation | CME Programs on Anovulation |
| International Resources on Anovulation | Anovulation en Espanol • Anovulation en Francais |
| Business Resources on Anovulation | Anovulation in the Marketplace • Patents on Anovulation |
| Informatics Resources on Anovulation | List of terms related to Anovulation |
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
