What medicine is good for irregular menstruation? What are the benefits of Siwu Decoction for irregular menstruation?

For women, they pay great attention to the regulation of the body, and usually pay attention to the maintenance of the skin, so some problems can be reduced, but not eliminated, so for the emergence of some gynecological diseases, so we can only regulate through some prescriptions. In the ancient Chinese medicine classics, thousands of classic preventions are also recorded, and many are used. Today, I will introduce a classic ancient prescription "Siwu Decoction", which is still being used by people and has a good effect on some gynecological diseases. "Siwu Decoction" is the first prescription for gynecology. It regulates menstruation, changes complexion and prevents aging. "Siwu Decoction" "Xianjiao Lishang Continued Secret Prescription" first appeared in Lin Daoren in the late Tang Dynasty. It was originally used to treat trauma, blood stasis and pain; in the Song Dynasty, "Taiping Huimin Prescription" began to apply it to obstetrics and gynecology diseases, and it became a basic prescription for blood supplementation and menstruation regulation. Due to the remarkable therapeutic effect of gynecological diseases, later doctors called Siwu Decoction "the first prescription for gynecology" and "the holy medicine for women". The origin of the name of "Siwu Tang" is explained in Chengbiandu: "Things, categories, and four things are similar, each has its own function. Angelica sinensis grown in spring can replenish the weak, Chuanxiong grown in summer can relieve depression, Peony harvested in autumn can purge the full, and Rehmannia glutinosa harvested in winter can relieve the urgent." In other words, Angelica sinensis grows in spring, Chuanxiong grows in summer,