Sunan An-Nasa'i
Hadith #3532
Furai'ah bint Malik, the sister of Abu Sa'eed Al-Khudri, said:""My husband died in Al-Qadum, so I went to the Prophet and told him that our house was remote."" He gave her permission then he called her back and said: ""Stay in your house for four months and ten days, until the term prescribed is fulfilled