Musannaf Ibn Abi Shayba 9:1057

Waki’ narrated to us, from Sufyan, from Ghaylan ibn Jami’, from ‘Abd al-Malik, from al-Sha’bi, from ‘Umar, from ‘Aisha, who said: The woman suffering from prolonged non-menstrual bleeding (mustahada) — her husband does not approach her.