Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:21799 – Abū ʿAbdullāh > Abū al-Walīd > al-Ḥasan b. Sufyān > Ḥibbān > Ibn al-Mubārak > Ḥammād b. Zayd > Kathīr b. Shinẓīr > al-Ḥasan > Idhā Asqaṭat Um al-Walad Shayʾ Yuʿlam

[Machine] It is from the burden that she carried and became the mother of a child.  

البيهقي:٢١٧٩٩ – أَخْبَرَنَا أَبُو عَبْدِ اللهِ أنبأ أَبُو الْوَلِيدِ ثنا الْحَسَنُ بْنُ سُفْيَانَ ثنا حِبَّانُ عَنِ ابْنِ الْمُبَارَكِ عَنْ حَمَّادِ بْنِ زَيْدٍ عَنْ كَثِيرِ بْنِ شِنْظِيرٍ عَنِ الْحَسَنِ قَالَ إِذَا أَسْقَطَتْ أُمُّ الْوَلَدِ شَيْئًا يُعْلَمُ

أَنَّهُ مِنْ حَمْلٍ عَتَقَتْ بِهِ وَصَارَتْ أُمَّ وَلَدٍ