Menopause Sample Collection

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)