In post-war Japan, the Socialist Party proposed the which was enacted in 1948 to replace the National Eugenic Law of 1940. The main provisions allowed for the surgical sterilization of women, when the woman, her spouse, or family member within the 4th degree of kinship had a serious genetic disorder, and where pregnancy would endanger the life of the woman. The operation did not require consent of the woman and her spouse, but the approval of the Prefectural Eugenic Protection Council. Therefore, this law violated the right to a person's autonomy.