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.
Hadith ReferenceSahih Muslim / The Book of Jihad and Expeditions / Hadith: 1812