Once the retired Emperor Higashiyama died in December of the same year, Princess Yukiko received the imperial proclamation for "nyoingo" (the title of respect given to close female relatives of the Emperor or a woman of comparable standing) on March 21, 1710; She became a Buddhist nun soon after that.
同年12月に東山上皇が崩御すると、翌宝永7年（1710年）3月21日に女院号宣下を受け、間もなく出家する。