Ummul Mu'mineen `Aishah (RA) reported:
I said: "O Messenger of Allah! (SAW), We consider Jihad as the best deed, should we not then go for Jihad?''

The Messenger of Allah (SAW) said: "The best Jihad for you women is Hajj Mabrur (i.e., one accepted by Allah).''

(Bukhari and Muslim)