Al-Kāfi

Hadith 330
divorcechildren
وَ عَنْهُ عَنْ عَبْدِ اللَّهِ بْنِ جَبَلَةَ وَ صَفْوَانَ بْنِ يَحْيَى عَنِ ابْنِ بُكَيْرٍ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ الْحُبْلَى تُطَلَّقُ تَطْلِيقَةً وَاحِدَةً .
4. It is narrated from the narrator of the previous Hadith from ‘Abd Allah ibn Jabalah and from Safwan ibn Yahya from ibn Bukayr from abu Basir who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘A pregnant woman is divorced once.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī