按生理变化将女性一生分为幼年期、青春期、生育期、更年期和老年期。由生育期向老年期移行的时期称为更年期,有人把它叫作初老期。更年期是卵巢功能逐渐消退到趋向消失的一个过渡时期,其最突出的表现是闭经。闭经时期虽然因个人体质、生活环境、生活方式,健康状态、气候等有差异,但一般多发生在45～50岁,平均为48岁。更年期系指以此年令为中心上下动摇5～6年。安藤指出更年期通常为45～65岁之间。多数妇女在60岁以后进入老年期。森氏统 Physiological changes will be divided into female life into childhood, adolescence, growth period, menopause and the elderly. The period from birth to old age is called menopause, and some call it early childhood. Menopause is ovarian function gradually dissipated to the disappearance of a transitional period, the most prominent manifestation of menopause. Although amenorrhea period due to personal physique, living environment, lifestyle, health status, climate and other differences, but generally occur in 45 to 50 years old, with an average of 48 years old. Menopause refers to this year as the center to shake up and down 5 to 6 years. Ando pointed out that menopause is usually between 45 to 65 years old. Most women enter old age after 60 years of age. Sen system