Al-Kāfi - Volume 3 > Women’s Hayd (menses) Stops, Comes Again and the Time of Menopause
Hadith #2

2ـ عَلِيُّ بْنُ مُحَمَّدٍ عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ أَبِي نَصْرٍ عَنْ بَعْضِ أَصْحَابِنَا قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيْهِ الْسَّلام) الْمَرْأَةُ الَّتِي قَدْ يَئِسَتْ مِنَ الْمَحِيضِ حَدُّهَا خَمْسُونَ سَنَةً. وَرُوِيَ سِتُّونَ سَنَةً أَيْضاً.

2. Ali has narrated from Muhammad from Sahl ibn Ziyad from Ahmad ibn Muhammad from ibn abu Nasr from certain persons of our people who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘Menopause happens at the age of fifty. 5 It is also narrated that it is at the age of sixty.”