Some users report the following:
- Most commonly, changes in bleeding patterns,† including:
- Lighter bleeding and fewer days of bleeding
- Infrequent bleeding
- Irregular bleeding
- No monthly bleeding
- Prolonged bleeding
- Breast tenderness or pain
- Weight gain
- Mood changes
Other possible physical changes:
- Ovarian cysts
† For definitions of bleeding patterns, see vaginal bleeding.
Bleeding changes are normal and not harmful. If a woman finds them bothersome, counseling and support can help.
Help protect against:
May help protect against:
- Puncturing (perforation) of the wall of the uterus by the LNG-IUD or an instrument used for insertion. Usually heals without treatment.
- Miscarriage, preterm birth, or infection in the very rare case that the woman becomes pregnant with the LNG-IUD in place.
Can be used by women of any age, including adolescents.
Can be used by women who have had children and those who have not.
Do not increase the risk of contracting STIs, including HIV.
Do not increase the risk of miscarriage when a woman becomes pregnant after the IUD is removed.
Do not make women infertile.
Do not cause birth defects.
Do not cause cancer.
Do not move to the heart or brain.
Do not cause discomfort or pain for the woman or the man during sex.