“The Shanggu Tianzhen Lun in the Classic of Internal Medicine states: ‘When a woman is seven years old, her kidney qi is strong, and her teeth grow more; at twenty-seven, Tian Gui arrives, the Ren meridian is open, the Tai Chong meridian is strong, and menstruation occurs on time. Therefore, menstruation is due to strong kidney qi, the arrival of Tian Gui, the opening of the Ren meridian, the strength of the Tai Chong meridian, and the coordinated action of viscera, blood and meridians on the uterus, which stores and releases regularly, resulting in menstruation.’ ”,The Ren meridian is the sea of yin meridians, also originating from the abdomen. It governs the yin of the whole body and controls the essence, blood, body fluids, and Qi of the human body. It is the foundation of nourishment for the human body and governs the fetus in the womb. Only when the Qi of the Ren meridian flows smoothly can the uterus be nourished by yin essence and pregnancy proceed as normal...,In a simple and austere meeting room at the Red Star Rolling Mill Workers' Hospital, four people in white coats sat behind a row of yellow-painted wooden tables, taking turns asking questions.。