Irregular menstruation refers to anything that might not fall under the regular menstrual period of 2 to 10 days.
Some examples of an irregular period are:
- Periods that occur less than 21 days or more than 35 days apart.
- Not having a period for three months (or 90 days).
- Menstrual flow that’s much heavier or lighter than usual.
- Period bleeding that lasts longer than seven days.
- Periods that are accompanied by severe symptoms.
- Bleeding or spotting that happens between periods.