It wasnarrated that Abu Sa'eed said:
"We asked the Messenger ofAllah(ﷺ) about the fetus. He said: 'Eat it if you wish, for it isconsidered legally slaughtered with the slaughtering of its mother.'" (ID)
English reference (ID): Vol. 4, Book 27, Hadith 3199 (ID)
Arabic reference (ID): Book 27, Hadith 3320 (ID)