Purity: Status After Istiḥāḍah Bleeding Stops

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 401:

After a mustaḥāḍah has stopped bleeding, she must do the things required of a mustaḥāḍah for only the first prayer she performs. For subsequent prayers, it is not necessary for her to do those things.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)