Irregular menstruation

When to make a doctor’s appointment

Make an appointment to see a doctor if:

• Persistent erratic pattern after having been regular
• Bleeding for more than seven days
• Soaking through more than one pad or tampon every hour or two
• Periods less than 21 days or more than 35 days apart
• Bleeding between periods
• Severe pain during period

When to seek immediate medical care

See a doctor immediately if:

• Fever and chills after using tampons

When to make a doctor's appointment

Make an appointment to see a doctor if:

• Persistent erratic pattern after having been regular
• Bleeding for more than seven days
• Soaking through more than one pad or tampon every hour or two
• Periods less than 21 days or more than 35 days apart
• Bleeding between periods
• Severe pain during period