Which acupuncture point is located 3 cun from the midline?

The acupuncture point located 3 cun from the midline is ST29, also known as "Guilai." This point is situated on the lower abdomen, specifically 3 cun lateral to the midline at the same level as the pubic symphysis. The designation of "cun" (a traditional unit of measurement in acupuncture) allows practitioners to accurately locate points on the body in relation to anatomical landmarks.

ST29 is significant in clinical practice as it is commonly used to treat conditions related to the genital and urinary systems, including menstrual disorders, and it can have therapeutic effects on conditions related to stagnation in the lower abdomen.

The other options, while also valid acupuncture points, are not located specifically 3 cun from the midline. K12 (located 1 cun lateral to the midline) and Ren3 (located 4 cun from the midline) exemplify this differentiation in location, while Zi Gong (often referenced in the context of gynecological issues) is not defined by a standard cun measurement but is generally located about 3 cun lateral to the midline as well. However, it is less commonly noted in translations compared to ST29. Thus, ST29 is the most precise answer to the question regarding the specific