She remained in ihram because she thought that exiting ihram could only be done after tawaaf al-ifadah

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Check below answers in case you are looking for other related questions:
It is not permissible to change ihram from tamattu‘ to ifraad
It is not prescribed to utter the intention for Hajj or for ‘Umrah

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Related Answers:
There is no specific supplication (du‘aa’) for each circuit of tawaaf or lap of saa‘i
Extending the time limit for standing in ‘Arafah until dawn on the Day of Sacrifice
He forgot one of the circuits of Tawaaf al-Ifaadah
It is not permissible to change ihram from tamattu‘ to ifraad
It is not prescribed to utter the intention for Hajj or for ‘Umrah

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