Generally speaking, the size of the vaginal opening does not change with age, but due to the decrease in female hormone levels with age, some women’s vaginal openings may atrophy, so visually they look smaller. As women age, they may experience atrophy of the vulva due to the decrease in estrogen, and may also contract bacteria due to low resistance, resulting in atrophic vaginitis. With age, estrogen decreases, the vaginal wall may have atrophy, manifested as thinning of the mucous membrane, epithelial cell glycogen reduction, the appearance may also appear gradually shrinking phenomenon. However, this is a normal physiological reaction, usually no discomfort, pay attention to cleanliness and hygiene can be. If you have abnormal secretions or feel uncomfortable, it is recommended to consult a hospital in time.