Textual research on Pang Anshi's case record of acupuncture treatment for difficult labor

Ancient works on women's diseases of successive ages were studied on the question Pang Anshi's acupuncturing the point "Hukou" at the dorsal aspect between the thumb and index finger to cure a case of difficult labor. Query is put forward on the absence of such case report in all those books through deliberated investigation of relevant medical literatures. It is concluded that Pang's case report is convincing and is worthy of attention.