What are the most common symptoms of menopause or perimenopause and at what most common age does it start?

Perimenopause: Perimenopause can begin in a few women in their 30s, but much more commonly in their 40s. This is a time of unstable changes in the balance of hormones that can cause many symptoms and distress in a womans life. Pms, fatigue, "foggy thinking" , mood changes, depression, flu like feelings, insomnia, irregular periods, sexual dysfunction and other. Menopause is when there are no periods for 1year.

Menopause Light: Menopause is after one year without a period. Perimenopause is the transition of hormonal fluctuations as ovaries wind down producing female hormones. Menstrual irregularity is hallmark, but may also include hot flashes, sleep and mood disturbances. Your doctor can help. Here's link to good overview of perimenopause: http://www.Womenshealthfremont.Com/newsdesk/news/making-sense-of-perimenopause.