Musnad Abu Ya'la al-Mawsili 209:105

Abu Khaythama narrated to us, Uthman ibn Umar narrated to us, Yunus informed us, from al-Zuhri, from Hind bint al-Harith, from Umm Salamah, that she said: The women, during the time of the Messenger of Allah (may Allah bless him and grant him peace), when he would finish the obligatory prayer, would stand up [to leave] while the Messenger of Allah (may Allah bless him and grant him peace) and those men who prayed behind him would remain seated. Then, when the Messenger of Allah (may Allah bless him and grant him peace) would stand, the men would stand.