‏الصلاة : Hadeeth No:1933 Umm Atiyya reported: We were commanded to bring out on old days purdah-observing ladies and those unmarried, and menstruating women came out but remained behind people and pronounced takbir (Allaah-o-Akbar) along with them....

‏الجهاد والسير‏ : Hadeeth No:4458 It has been narrated on the authority of Yazid b. Hurmuz who said: Najda b. 'Amir al-Haruri wrote to Ibn Abbas asking him about the slave and the woman as to whether they would get a share from the booty (it they participated in Jihad) ; about the killing of (enemy) children (in war) ; about the orp...