(1) باب الأَمْرِ بِالنُّفَسَاءِ إِذَا نُفِسْنَ
Narrated Al-Qasim:
`Aisha said, "We set out with the sole intention of performing Hajj and when we reached Sarif, (a place six miles from Mecca) I got my menses. Allah's Messenger (ﷺ) came to me while I was weeping. He said 'What is the matter with you? Have you got your menses?' I replied, 'Yes.' He said, 'This is a thing which Allah has ordained for the daughters of Adam. So do what all the pilgrims do with the exception of the Tawaf (Circumambulation) round the Ka`ba." `Aisha added, "Allah's Messenger (ﷺ) sacrificed cows on behalf of his wives."
Reference: Sahih al-Bukhari 294
In-book reference: Book 6, Hadith 1
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 6, Hadith 293