32. The Book of Jihad and Expeditions - كتاب الجهاد والسير
48) Chapter: Women who take part in military expeditions are to be given a reward but not a regular share; And the prohibition of killing children of the enemy
It has been narrated on the authority of Umm 'Atiyya, the Ansarite, who said:
I took part with the Messenger of Allah (ﷺ) in seven battles. I would stay behind in the camp of men, cook their food, treat the wounded and nurse the sick.