The normal length of the menstrual cycle is typically between 21 and 35 days. A normal menstrual period generally lasts up to 7 days.

When is bleeding abnormal?

Bleeding in any of the following situations is considered abnormal uterine bleeding:

• Bleeding or spotting between periods
• Bleeding or spotting after sex
• Heavy bleeding during your period
• Bleeding that soaks through one or more tampons or pads every hour
• Bleeding that lasts more than 7 days
• Menstrual cycles that are longer than 35 days or shorter than 21 days
• “Irregular” periods in which cycle length varies by more than 7 to 9 days
• Not having a period for 3 to 6 months
• Bleeding after menopause

Treatment