Purity: Doubt Regarding Menopause Age (60 Years)

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 437:

If a woman who doubts whether she has reached the age of sixty experiences bleeding but does not know if it is ḥayḍ, she must assume that she has not reached the age of sixty.

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