a number of medical restrictions, in accordance with which military service can be prohibited or restricted. Such restrictions include those that may be manifestations of intersex traits (such as vaginal atresia, absence of the penis, cryptorchidism, amenorrhea). See also Thomas(ine) Hall (DoDI) 6130.03, 2018, section 5, 13f and 14m References Further reading The Hermaphrodite, Fecundity and Military Efficiency: Dangerous Subjects in the Emerging Liberal Order of Nineteenth-Century Spain Hermaphroditism, Medical Science and Sexual Identity in Spain, 1850 – 1960 Routledge Handbook of Social, Economic, and Criminal Justice Williams Textbook of Endocrinology Pediatrics, 1960-61; Robert Aaron Lyon; F.A. Davis Co., 1960 Teresa A. Algoso, "Not Suitable as a Man: Conscription, Masculinity, and Hermaphroditism in Early Twentieth-Century Japan". In Sabine Fruhstuck and Anne Walthall, eds., Recreating Japanese Men (University of California Press), 248. Samurai to Soldier: Remaking Military Service in Nineteenth-Century Japan Military sociology