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Yang Renzhai stated: Wang Shuhe believed that a floating and large pulse on the left hand indicates a male fetus, while a deep and fine pulse on the right hand indicates a female fetus. Yuanbin held that a floating and large pulse on the right hand indicates a female fetus, and a deep and solid pulse on the left hand indicates a male fetus. Comparing these two theories, there are indeed contradictions. However, upon detailed examination according to the original intent of the *Mai Jing* (Classic of Pulse Diagnosis), there appear to be differences but are essentially the same. The classic states: "A deep and solid pulse on the left hand indicates a male; a floating and large pulse on the right hand indicates a female." It also states: "If both left and right hands show floating and large pulses, twins girls will be born; if both show deep and solid pulses, twin boys will be born." This is the view advocated by Yuanbin. The classic further states: "A floating and large pulse at the Chi position (cun-kou) on the left hand indicates a male; a deep and fine pulse at the Chi position on the right hand indicates a female." It also states: "If Chi pulses on both sides are floating, twin boys will be born; if Chi pulses on both sides are deep and fine, twin girls will be born." This is the view advocated by Wang Shuhe. Why does the theory of "deep and fine" differ in meaning from "deep and solid," and why does "floating and large at the right Chi" differ from "floating and large at the right hand"? Generally speaking, to determine the sex of the fetus, a deep and solid pulse indicates a male, and a deep and fine pulse indicates a female. A floating and large pulse at the right Chi position confirms a female fetus; a floating and large pulse at the left Chi position generally indicates a male fetus. "Deep and fine for female, deep and solid for male" corresponds to the principle that "all Yang pulses indicate males, all Yin pulses indicate females." "Left Chi floating and large for male, right Chi floating and large for female" corresponds to the principle that "rapid pulse on the left indicates male, rapid pulse on the right indicates female." Yuanbin provided details, likely integrating both hands to distinguish Yin and Yang. Wang Shuhe provided a brief summary, merely referring to the discussion of Chi pulses in the *Mai Jing*. Thus, where is there any real difference or contradiction?

Shenzhen's Commentary: The above five points sequentially discuss the pulse methods for determining fetal sex. Regarding the pulse differentiation for male and female fetuses, since Wang Shuhe, debates have been numerous and fragmented. Even Zhu Danxi, known for his clarity, distinguished between male and female using the concept of left and right uterus, suggesting that a larger pulse on the left favors a boy and a larger pulse on the right favors a girl. Such interpretations based on the physician's perspective remain unclear. Among previous discussions, only the views of Zhang Jingyue and Shuofu are considered correct.

The *Jin Gui Yao Lue* (Essential Prescriptions from the Golden Cabinet) states: "When a woman presents with a normal pulse, but the Yin pulse (referring to the Chi position) is small and weak, and she experiences thirst, inability to eat, without aversion to cold or fever, this is named pregnancy. According to medical principles, these symptoms should appear around the sixtieth day of gestation. If a physician treats incorrectly, causing symptoms such as vomiting and diarrhea to worsen after a month, one must apply the method of 'Jue Zhi' (cutting off/terminating treatment)."

Lou Quanshan explained: "E Zu" (pregnancy nausea/vomiting) refers to symptoms such as vomiting, nausea, dizziness, food aversion, and selective eating. "Jue Zhi" means to stop medical intervention and wait for the condition to resolve spontaneously. I once treated several pregnant women with E Zu presenting with vomiting; the more they were treated, the worse their condition became. Reflecting on Zhongjing's intention behind 'Jue Zhi,' I stopped medication for over a month, and the patients recovered naturally. Truly, the words of the Sage are great!

Xu Zhongke explained: "If the gestational period has not yet reached sixty days, the fetus is not fully formed, and vomiting and diarrhea are present. Due to erroneous medical treatment, the Spleen and Stomach have indeed been injured. In this case, the primary goal should be to cut off the root of the disease. One must not rigidly adhere to the theory of 'fetus stabilization' (An Tai), nor hesitate, which would lead to errors. Hence, it is said to 'Jue Zhi' (terminate the pathological process/treatment)."