Later, on December 22, 999, Teishi gave birth to Imperial Prince Atsuyasu, the first Prince, with whom Korechika, in a rapture of delight, put his hope of restoring the family; but on the same day, ironically enough, a senji to become Nyogo was issued to FUJIWARA no Akiko, the first daughter of Michinaga, which was the sixth day after Akiko entered into the Imperial Court.
その後、長保元年（999年）11月7日、定子腹の第一皇子敦康親王が誕生し、伊周は一家再興の望みをかけて狂喜したが、奇しくも同じ日、入内後6日目の道長長女藤原彰子に女御の宣旨が下った。