Since then, imperial princesses, who became Nyoin via the conferral of Junbo (a status that is equivalent to the Emperor's birth mother) and Ritsugo (the investiture of the Empress) after being Saigu or Saiin, continued to appear until the period of the Northern and Southern Courts.
そして以後、斎宮または斎院から准母立后を経て女院となる内親王が南北朝時代まで続いた。