Is it considered one day if menstruation occurs in the evening?

Patient's question:

No

Doctor's answer:

Hello! As long as menstruation occurs, it counts as one day, even if it happens at night. During the menstrual period, it is important to pay attention to external genital hygiene and change sanitary pads frequently. It is also important to keep warm during this time, avoid strenuous exercise, and avoid eating cold or raw foods.