Sahih Muslim
The Book of Prayers (Kitab Al-Salat)
Book Number: 004 / Hadith Number: 1932
Umm 'Atiyya said: He (the Apostle of Allah) commanded us that we should take out unmarried women and purdah-observing ladies for 'Id prayers, and he commanded the menstruating women to remain away from the place of worship of the Muslims.