The uterus does not shrink after 3 years of menopause, it may be due to the slow decline in hormone levels or the large size of the uterus. 1. slow decline in hormone levels: in general, the uterus shrinks after menopause, due to the ovarian function decreases, resulting in a significant decline in hormone levels. If the hormone level of postmenopausal women declines slowly, then the uterus may not shrink significantly for 3 years. 2. Larger uterus: Depending on the size of a woman’s premenopausal uterus, the speed and degree of atrophy may vary. If the premenopausal woman has a larger uterus, then even after 3 years of menopause, the uterus may not shrink significantly. In conclusion, the uterus of a woman who has been menopausal for about 3 years will not shrink significantly, so there is no need to worry too much if the uterus does not shrink during the examination. If a woman who has been menopausal for 3 years experiences any discomfort, it is recommended that she consult a gynecologist in time for a relevant examination, taking into account the shape of the uterus, the condition of the endometrium and the level of estrogen in the body, and proceeding to diagnosis and treatment under the guidance of the doctor.