Menstrual Changes During the Perimenopause

摘要: It has been recognized for many years that the perimenopause is a phase during which menstrual pattern may become increasingly variable and erratic as ovarian function gears down to low level. Variations in at this stage of life have substantial implications because they are an important indicator individual women approach major change. Indeed, cessation menses event defines occurrence menopause — “the last natural period woman experiences” can be determined only retrospect.