Man Lā Yaḥḍuruh al-Faqīh
Hadith 13524567 - وَ قَالَ: فِي جَارِيَةٍ لِرَجُلٍ وَ كَانَ يَأْتِيهَا فَأَسْقَطَتْ سِقْطاً مِنْهُ بَعْدَ ثَلاَثَةِ أَشْهُرٍ قَالَ "هِيَ أُمُّ وَلَدٍ".
Hadith.4567 - Imam (as) said regarding a bondwoman who belonged to a man and with whom he had relations, and she miscarried his child after three months:
"She is considered Umm Walad (the mother of his child)."