Menopause, medically speaking, refers to the end of menstruation. Dr. Marilyn Glenville, a UK nutritionist specializing in women’s health, writes in a guide that during this period, “progesterone levels plummet, sometimes to zero.”
Women may start menopause at any age from 45 until the mid-50s. Symptoms can include: hot flashes
night sweats
insomnia
bladder/urinary discomfort
more frequent urine infections
loss of libido
headaches 
bloating 
depression/feeling sad
aching joints
palpitations 
abdominal weight gain
chest pain with exertion
hair loss Another symptom can be uterine leiomyomas. These are the most frequently encountered benign tumors of the uterus in up to 70 to 80 percent of perimenopausal (nearing menopause) women. They are hard to distinguish from malignant tumors due to their potentially overlapping features, so a clinician may only discover that it is malignant post-operatively, once the tumor is examined under a microscope.  …