Drinking coffee before and during menstruation can cause breast pain, anxiety, irritability and emotional instability, and at the same time consume vitamin B stored in the body, thus destroying carbohydrate metabolism.

Caffeine contained in coffee is an irritating substance, which easily stimulates the nervous and cardiovascular systems, leading to menstrual pain, prolonged menstrual period and excessive menstrual blood.

It is not good for women to drink coffee during menstruation. Because drinking coffee during menstruation will increase female hormones in the body, aggravate some gynecological diseases, such as endometriosis and breast swelling, and even affect fertility. Drinking coffee during menstruation will obviously increase the female hormones in the body, affect the number of eggs in the ovary, age the ovary and accelerate the aging of all human functions.