Prayer During Travel
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 59
وَ سَأَلَ سَعْدُ بْنُ سَعْدٍ أَبَا اَلْحَسَنِ اَلرِّضَا عَلَيْهِ اَلسَّلاَمُ: عَنِ اَلرَّجُلِ تَكُونُ مَعَهُ اَلْمَرْأَةُ اَلْحَائِضُ فِي اَلْمَحْمِلِ أَ يُصَلِّي وَ هِيَ مَعَهُ قَالَ «نَعَمْ.
Sa'd ibn Sa'd asked Abu al-Hasan al-Ridha عليه السلام about a man who is with a menstruating woman in a mahmil (covered mount or carrier). He asked: "Should he pray while She is with him?" He عليه السلام replied: "Yes”.
- Ṣaḥīḥ al-Faqīh, p. 65