Inclusion Criteria:  Female Between the ages of 45 and 60 years Suspects they are going through or have been through the menopause  Experiencing cycle irregularities:  Early Stage Peri-Menopause: Mild cycle irregularity over the last 3-6months (minimum), variation of >6 days in length between consecutive cycles including shortened and longer cycles (but not >60 days in length) Late stage peri-menopause: Irregular cycles with prolonged periods of amenorrhea >60 days in length (but less than 12 months) Post-Menopause: Greater than 12 months since last menstrual period Willing to give informed consent  Exclusion Criteria:  Use of hormone replacement therapy (HRT) Use of hormone contraception Hysterectomy and/or oophorectomy Pregnant or breast feeding Other medical reason for amenorrhea (absence of menstruation)