She experienced irregular vaginal bleeding and thought it was her period, so she did not do Tawaaf al-Wadaa’ (Farewell Tawaaf)
Praise be to Allaah.
We put this question to Shaykh Muhammad ibn Saalih al-‘Uthaymeen, may Allaah preserve him, who answered as follows:
She does not have to do anything. And Allaah knows best.