Menopause
The menopause transition typically begins between 40 and 50 years of age (average 47.5). The duration of perimenopause may be for up to eight years. Women will often, but not always, start these transitions (perimenopause and menopause) about the same time as their mother did.
International Menopause Society
The International Menopause Society (IMS) is a UK based charity. The Association was created in 1978 in Jerusalem during the second Menopause Congress and currently has members in 62 countries. In addition to organizing congresses, symposia, and workshops, the IMS owns its own journal: Climacteric, the Journal of Adult Women's Health and Medicine, published by Informa Healthcare. The IMS has three sub-organs: CAMS, the Council of Affiliated Menopause Societies, the WSSM, the World School for the Study of the Menopause and the CPP, the Council of Past Presidents.