Abu Dawud said: Mujahid reported on the authority of Ibn 'Abbas: When bathing became hard for her, he commanded her to combine the two prayers.
Abu Dawud said: Ibrahim reported it from Ibn 'Abbas. This is also the view of Ibrahim al-Nakha'i and 'Abd Allah b. Shaddad.
In-book : Book 1, Hadith 296
English translation : Book 1, Hadith 296