Ibrahim, Hazrat Aamir, Hazrat Mus'ab bin Sa'd, Hazrat Abu Malik, and Hazrat Abdullah bin Shaddad (may Allah be pleased with them) state that if someone gives his wife three divorces while she is pregnant, then that woman is not lawful for him until she marries another man.

18965 - From Jabir, from 'Amir.

18966 - (W) (1) From Imran ibn Muslim, from Ibn (Uqal) (2), from Mus'ab ibn Sa'd, Abu (Malik) (3), and Abdullah ibn Shaddad, they said: If a man divorces his wife three times while she is pregnant, she is not lawful for him until she marries another husband.