Abu Dawud Book 34, Hadith Number 4552.
Chapter : Bloodwit for an unborn child.
Narated By N/A : The tradition mentioned above has also been transmitted by Mansur through a different chain of narrators and to the same effect. This version adds: The Prophet (may peace be upon him) fixed the bloodwit for the slain woman to be paid by the relatives of the woman who had slain her, on the father’s side.
Abu Dawud said: In a similar way it has been transmitted by al-Hakam from Mujahid from al-Mughirah.