She made her promise when she was in great anguish and distress over her barrenness and the constant insults she was subjected to.
فَأَجَابَتْهُ ٱبْنَتُهُ :‏ « اِفْعَلْ بِي كَمَا خَرَجَ مِنْ فَمِكَ » .‏