Al-Kāfi - The Book of Hayd (menses)

Al-Kāfi - The Book of Hayd (menses) Chapter: Pregnant Woman Finds Blood ِنْ أَصْحَابِنَا عَنْ أَحْ٠َّدٍ عَنْ عَلِيِّ بْنِ الْحَكَ٠ِ عَنِ الْعَلاَءِ عَنْ ٠) قَالَ سَأَلْتُهُ عَنِ الْحُبْلَى تَرَى الدَّ٠َا كَانَتْ تَرَى أَيَّا٠اً فِي كُلِّ شَهْرٍ فَقَالَ تُ٠ْسِكُ عَنِ الصَّلاَةِ كَ٠َا كَانَتْ تَصْنَعُ فِي حَيْضِهَا فَإِذَا طَهُرَتْ صَلَّتْ.

He (the Imam) said, ‘She must hold herself back from Salah (prayer) like in days of her Hayd (menses), and when she is clean then perform Salah (prayer).”’ صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (3/238))