Suddenly low menstruation at the age of forty can be caused by physiological and pathological reasons, and the pathological reasons include endocrine disorders, uterine abnormalities, other diseases and so on.
After the age of forty, women are usually in peri-menopause, the ovarian function declines, and the level of estrogen gradually decreases, resulting in thinning of the uterine lining, which is manifested as low menstrual flow. This situation usually does not require special intervention, if there are other discomforts to be treated promptly.
Obesity, excessive dieting, irregular life and diet can cause endocrine imbalance and thus scanty menstruation. Abnormalities of the uterus such as adhesions in the lining of the uterus caused by endometritis cause the normal discharge of menstruation, thus leading to the phenomenon of sudden menstrual scarcity in forty-year-old women.
Diseases such as hypothyroidism may affect the function of the hypothalamic-pituitary-ovarian axis, which can lead to sudden menstrual cramps in a 40-year-old woman.
There are many other causes that can lead to the problem of suddenly low menstrual periods in the age of forty, and it is recommended that such patients consult a regular hospital to clarify the causes and actively deal with them.