The Cleveland Clinic defines irregular menstruation as periods occurring less than 21 days or more than 35 days apart, not having a period for 90 days, menstrual flow that is significantly heavier or lighter than usual, bleeding lasting longer than seven days, or periods accompanied by severe pain, cramping, nausea, or vomiting.

Authors

• Person: Not available Organization: Cleveland Clinic
  Menstrual Cycle (Normal Menstruation): Overview & Phases

Sources

• Menstrual Cycle (Normal Menstruation): Overview & Phases my.clevelandclinic.org Cleveland Clinic via serper

Referenced by nodes (5)

• Cleveland Clinic entity
• cramps concept
• vomiting concept
• irregular menstrual cycle concept
• pain concept