Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Oligomenorrhoea
Introduction
Template:DiseaseDisorder infobox Oligomenorrhea is the medical term for infrequent or light menstrual periods in women of child-bearing age. Oligomenorrhea can also be a result of prolactinomas (adenomas of the anterior pituitary). May also be caused by thyrotoxicosis and Graves disease.
(The medical term for a total cessation of the menstrual period is amenorrhea while unusually heavy periods are called menorrhagia)
Causes
Life Threatening Causes
Common Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | Levonorgestrel, Norgestrel and Ethinyl estradiol |
| Ear Nose Throat | No underlying causes |
| Endocrine | Multiple endocrine neoplasia type 1 |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | No underlying causes |
Causes in Alphabetical Order
|
|
External links
Template:Disease-stub Template:Diseases of the pelvis, genitals and breasts