´It was narrated that Abu Sa’eed said:` “We asked the Messenger of Allah (ﷺ) about the fetus. He said: ‘Eat it if you wish, for it is considered legally slaughtered with the slaughtering of its mother.’”
Hadith ReferenceSunan Ibn Majah / Chapters on Slaughtering / Hadith: 3199
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:ضعيف, إسناده ضعيف, سنن أبي داود (2827), انوار الصحيفه، صفحه نمبر 491