Contraception, Menorrhagia

Inclusion Criteria

- Woman currently using MIRENA for contraception or menorrhagia with duration use between 4 years 3 months and 4 years 9 months and willingness to continue with the method.
 - Normal size uterus at insertion, corresponding to sound measure of 6-10 cm.
 - Clinically normal cervical smear result within 12 preceding months or at screening.
 - Clinically normal breast examination findings. For patients >/= 40 years at screening, a clinically normal mammography result within 12 preceding months or at screening is required.

Exclusion Criteria

- Menopausal symptoms impairing patient's quality of life or current estrogen therapy for menopausal symptoms.
 - Known or suspected pregnancy.
 - Any distortion of the uterine cavity, including congenital or acquired uterine anomalies and fibroids distorting the uterine cavity.
 - Current or recurrent pelvic inflammatory disease.
 - Abnormal uterine bleeding of unknown origin.
 - Acute cervicitis or vaginitis not responding to treatment.
 - History of, diagnosed or suspected genital or other malignancy (excluding treated squamous cell carcinoma of the skin), and untreated cervical dysplasia.
 - Any active acute liver disease or liver tumor.