During perimenopause, the menstrual cycle starts to change. Hormone levels fluctuate and cycles may lengthen. While perimenopause generally starts in the 40s, it can begin in the 30s. It can also last 10 years or more. Cycle duration Variable Perimenopause length 2 – 10 years Average age Generally begins in 40s, and possibly in 30s […]
Menstrual Cycles and Hormones: Postmenopause
Menopause occurs when ovaries cease production and a woman has her last period. Once there have been no subsequent periods for 12 months, it is determined that menopause has indeed occurred. The actual date of menopause is then retroactively determined. For instance, if your last period ends on March 11, 2014 and you don’t have […]
