Abu Ishaq al-Sabay'ai' أبو إسحاق السبيعي عمرو بن عبد الله · The Chapters on Blood Money

a man struck another man on the wrist with his sword and severed it, not at the joint. He appealed to the Prophet (ﷺ) who ordered that the Diyah be paid. The man said: “O Messenger of Allah (ﷺ), I want retaliation.” He said: “Take the compensation and may Allah bless you therein.” And he did not rule that he be allowed retaliation.

“Umar bin Khattab consulted the people concerning a woman who had been caused to miscarry. Al-Mughirah bin Shu'bah said: 'I saw the messenger of Allah (ﷺ) rule that a slave, male or female, be given as blood money (for a fetus).' 'Umar said: 'Bring me someone who will testify alongside you. So he brought Muhammad bin Maslamah to testify along with him.'”