['contraception']
['levonorgestrel (bay98-7196)']

        Inclusion Criteria:

          -  Healthy female subject requesting contraception and willing to use the IVR

          -  Normal or clinically insignificant cervical smear not requiring further follow up (a
             cervical smear has to be taken at screening visit or a normal result has to be
             documented within the previous 6 months)

          -  History of regular cyclic menstrual periods

          -  Subject is willing and able to attend the scheduled study visits and comply with study
             procedures

        Exclusion Criteria:

          -  Pregnancy or lactation (less than three months since delivery, abortion, or lactation
             before start of treatment)

          -  Any diseases or conditions that can compromise the function of the body systems and
             could result in altered absorption, excessive accumulation, impaired metabolism, or
             altered excretion of the study drug

          -  Any diseases or conditions that might interfere with the conduct of the study or the
             interpretation of the results

          -  Any disease or condition that may worsen under hormonal treatment according to the
             assessment and opinion of the investigator

          -  Undiagnosed abnormal genital bleeding

          -  Wish for pregnancy during the study

          -  Major surgery scheduled during the study period
      