There is no direct evidence that taking Sanguin Tablets affects menstruation. If you need to take Sanguin Tablets, it is recommended to consult your doctor and take the medication as prescribed. Menstruation refers to the cyclical shedding and bleeding of the endometrium that accompanies the cyclical changes of the ovaries, and is generally affected by hormone levels. Sanjin Tablet is a kind of proprietary Chinese medicine, mainly used for the treatment of urinary and reproductive system infections, and should be used as prescribed by the doctor as needed. Taking Sanjin Tablet may cause adverse reactions such as mild decrease in blood leukocytes and impaired liver and kidney functions, but there is no direct evidence that it affects normal menstruation. It is contraindicated in pregnant women and those who are allergic to the ingredients of the drug. Monitor liver and kidney functions during the administration of Sanjin Tablets, and stop the medication immediately and go to the hospital for examination if there is any abnormality.