General Information

• The first day of menstrual bleeding is considered the first day of a new menstrual cycle.
• Menstrual bleeding typically lasts 3-7 days. The heaviest flow usually occurs during the first 1-3 days.
• Ovulation generally occurs around day 14 of the cycle.
• The length of the menstrual cycle varies from woman to woman. The range is from 24 to 35 days. The average is 28 days.
• Excessive vaginal bleeding is the most common cause of iron deficiency anemia in women of childbearing age.