Side Effects (see also Managing Any Problems)

Some users report the following:

• Changes in bleeding patterns,^† including:
  

  Bleeding changes are normal and not harmful. If a woman finds them bothersome, counseling and support can help.

  • For breastfeeding women, longer delay in return of monthly bleeding after childbirth (lengthened postpartum amenorrhea)
  • Frequent bleeding
  • Irregular bleeding
  • Infrequent bleeding
  • Prolonged bleeding
  • No monthly bleeding

  Breastfeeding also affects a woman’s bleeding patterns.

• Headaches
• Dizziness
• Mood changes
• Breast tenderness
• Abdominal pain
• Nausea

Other possible physical changes:

• For women not breastfeeding, enlarged ovarian follicles

^†For definitions of bleeding patterns, see "vaginal bleeding" in the Glossary.