Hadith 1190Q1

Imam Malik, may Allah have mercy on him, said that if a free man or a slave divorces a slave woman, or a slave divorces a free woman, even if she is pregnant, her maintenance will not be obligatory upon him, when it is an irrevocable divorce in which return (ruju‘) is not possible.
Hadith Reference موطا امام مالك رواية يحييٰ / كتاب الطلاق / 1190Q1
Hadith Takhrij «فواد عبدالباقي نمبر: 29 - كِتَابُ الطَّلَاقِ-ح: 51ق»