The purpose of this study is to determine whether LNG/EE is effective in the treatment of menstrual cycle related symptoms.

Inclusion Criteria:

• Healthy women aged 18 to 49 years
• Regular 21 to 35 day menstrual cycles for 3 months prior to study visit 1
• History of menstrual cycle related symptoms as determined by the investigator.

Exclusion Criteria:

• Contraindication to combination oral contraceptives
• Depression requiring hospitalization or associated with suicidal ideation within the last 3 years
• Use of antidepressants/anxiolytics within 10 days of screening and for the duration of the study.