This is known as Perimenopause Syndrome. There is a slow decline in ovarian function over several years before there is a complete cessation of menses. Normally, ovaries primarily produce estrogen, progesterone and small amount of testosterone. Decreased libido Vaginal dryness which can lead to painful intercourse. Some women experience migraine headaches during this period of their life.
Menstrual irregularities vary from one woman to another.
Usually menses become shorter in duration and less frequent until they finally stop. In some women, menses stop abruptly. In others, menses become quite erratic before they finally cease. Hot flashes are a feeling of warmth that comes on suddenly and usually lasts a few minutes. It usually is accompanied by excessive perspiration.