Prescription rules of Qingzhu Fu, Ziming Chen, and Qian Wu for threatened miscarriage based on traditional Chinese medicine inheritance auxiliary platform

Background: To explore the prescription rules of famous ancient physicians in the treatment of threatened miscarriage. Methods: Traditional Chinese Medicine (TCM) prescriptions for threatened miscarriage were screened out of Fu Ren Da Quan Liang Fang by Ziming Chen, Yi Zong Jin Jian by Qian Wu, and Fu Qing Zhu Nv Ke by Qingzhu Fu. Data were standardized and analyzed through the TCM inheritance auxiliary platform. Results: A total of 29 prescriptions for threatened miscarriage were screened. Dang Gui, E Jiao, Gan Cao, Chuan Xiong, Bai Shao were the top five frequently prescribed Chinese herbs. The common herb–herb combinations used by Ziming Chen contained E Jiao, Dang Gui, Chuan Xiong, Ai Ye, Cong Bai, and Sang Ji Sheng. Ren Shen, Gan Cao, and Bai Zhu were the common herbal groups used by Qingzhu Fu. Huang Qi, Shu Di Huang, Bai Shao, Dang Gui, and Gan Cao were one of Qian Wu’s core prescriptions, with Dang Gui and Chuan Xiong being the others. According to the analysis of four Qi, five flavors, and meridian tropism of the prescriptions, herbs with the warm nature, or with the sweet, pungent, bitter flavors topped the list of application. The top six meridian tropisms of high-frequency herbs were: liver, spleen, lung, kidney, heart, and stomach meridian. Conclusion: Based on the principle of restoring the balance within the organs and enriching Qi and blood, clinical treatment of threatened miscarriage involves invigorating the Chong and Ren channels, nourishing Yin, dispelling cold and wind, generating and activating blood, regulating and harmonizing Qi.