Yahya related to me from Malik from Ibn Shihab from Ubaydullahibn Abdullah ibn Utba ibn Masud from Umm Qays ibn Mihsan that shebrought a baby boy of hers who was not yet eating food to theMessenger of Allah, may Allah bless him and grant him peace, and hesat it in his arms and it urinated on his garment, so the Messenger ofAllah, may Allah bless him and grant him peace, called for some waterand sprinkled over it but did not wash it.
USC-MSA web (English) reference: Book 2, Hadith 112
Arabic reference: Book 2, Hadith 141