“…This stage is characterized by many complex biological, psychological, and sociocultural changes (Masi & Fattorini, 1996;Rasmussen, 2000). Lasting on average 7 to 10 years (Rousseau, 1998) and spanning up to 25 years (Blackwell & Blackwell, 1997), perimenopause is the time that estrogen levels decline, follicle-stimulating hormone (FSH) levels increase, and ovarian follicles are depleted (Nachtigall, 1998;Sulak, 1996). Defined as "a few years before and one year after the permanent cessation of menses" (Li et al, 1997, p. 64), perimenopause is marked by FSH level >30 mIU/ml (Bachmann, 1994).…”