A similar report was narrated from Safiyyah bint Abi 'Ubaid from one of the wives of the Prophet -and she is Umm Salamah- from the Prophet.
Sunan an-Nasa'i Book 27, Hadith 117
← Previous Hadith "It is not permissible for a woman who believes in Allah and the Last Day to mourn for anyone who dies for more than three days except for a husband; she should mourn for him for four months and ten (days)."

Sunan an-Nasa'i Book 27, Hadith 116 Next Hadith → It was narrated from Al-Miswar bin Makhramah that Subai'ah Al-Aslamiyyah gave birth one day after her husband died. She came to the Messenger of Allah and asked his permission to marry, and he gave her permission to marry and she married.

Sunan an-Nasa'i Book 27, Hadith 118