Al-Kāfi - Volume 6 > Divorce of a Pregnant Woman
Hadith #1

مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنِ ابْنِ بُكَيْرٍ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ الْحُبْلَى تُطَلَّقُ تَطْلِيقَةً وَاحِدَةً .

1. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Faddal from ibn Bukayr from abu Basir who has said the following: “Abu ‘ Abd Allah, ‘Alayhi al-Salam, has said, ‘A pregnant woman is divorced once.’”