| Oligomenorrhea | |
|---|---|
| Other names | Oligomenorrhoea |
 | |
| Specialty | Gynecology |
Oligomenorrhea is infrequent menstrual periods.[1] Generally the menstrual periods occur at intervals of greater than 35 days, with less than 9 periods in a year, where previously there had been a regularly established pattern.[1] The period may be light or short in duration, and irregular.[1]