Abnormal Menstrual Bleeding

The normal length of the menstrual cycle is typically between 24 days and 38 days. A normal menstrual period generally lasts up to 8 days.

When is bleeding abnormal?

Bleeding in any of the following situations is considered abnormal:

• Bleeding or spotting between periods
• Bleeding or spotting after sex
• Heavy bleeding during your period
• Menstrual cycles that are longer than 38 days or shorter than 24 days
• “Irregular” periods in which cycle length varies by more than 7–9 days
• Bleeding after menopause