A slave-woman belonging to them committed fornication and became pregnant. Ali came to the Prophet ﷺ and informed him, so he said to him, "Leave her until she gives birth, then flog her."
حدثنا محمد بن جعفر حدثنا شعبة سمعت عبد الأعلى يحدث عن أبي جميلة
أن أمة لهم زنت فحملت فأتى علي النبي ﷺ فأخبره فقال له دعها حتى تلد أو تضع ثم اجلدها
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Its isnad is daif, due to the weakness of Abdul-Ala Thalabi. It will come again by his route several times, 736, 1137, 1138, 1142, 1230. The basic content of the hadith is sahih in roughly the same meaning, from the hadith of Saad bin Ubayda from Abu Abdul-Rahman Sulami, which Muslim narrated, 2/38, and it will come again, 1340. Abu Jamila is Tahawi, discussion of him will come, 692.