This is because of limited follicle maturation as the remaining follicles in the ovaries become less sensitive to gonadotropin stimulation. This is one of the most common uncomfortable symptoms associated with menopause. The sudden reddening of skin on the neck, chest and face marks a hot flush. A feeling of intense body heat, and sweating accompany the hot flush. It could last for just a few seconds or for several minutes.
Hot flushes tend to occur more at night or during times of stress.
Usually menopausal women get hot flushes over a period or 1 or 2 years, but they can last up to 5 years. Oestrogen replacement therapy helps to decrease the frequency and severity of hot flushes. The opening to the vagina narrows. There is a reduction of fat in the labia majora . The labia minora become pale and dry.