Two women from Huzayl, during the time of the Messenger of Allah ﷺ, got into a fight, and one of them threw something at the other, causing her to miscarry her unborn child. The Messenger of Allah ﷺ ruled that compensation for the unborn child was a male or female slave.
أخبرنا أحمد بن عمرو بن السرح قال حدثنا ابن وهب قال أخبرني مالك عن ابن شهاب عن أبي سلمة بن عبد الرحمن
أن امرأتين من هذيل في زمان رسول الله ﷺ رمت إحداهما الأخرى فطرحت جنينها فقضى فيه رسول الله ﷺ بغرة عبد أو وليدة
Muslim narrated it (as cited above) from Ibn Sarh, and Bukhari, Medicine, chapter on soothsaying, no. 5759, from the hadith of Malik through this same chain, and it is found in the Muwatta (Yahya's version) 2/855, and in al-Kubra, no. 7023.