Consider hormone treatment. Testosterone may also help with energy and fatigue. Whichever you prefer. It can vary from a feeling of increased body hear to a distressing feeling of flushing and sweating, particularly of the face. It can be associated with palpitations, nausea and dizziness.
Flushes are a very individual experience.
Want to deal with it. It is common in a third of women to have heavier periods at this time Ponstan, an over the counter product, can help. Yes - it is a very sensitive sign that ovarian function is decreasing. Ovary removal at the lime of hysterectomy may be recommended when a woman is peri-menopausal or post menopausal for various reasons, but not to alleviate hot flushes. Removal of the ovaries will potentially cause hot flushes.