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
abudawud:1842 – Qutaybah b. Saʿīd > Muḥammad b. Jaʿfar > Saʿīd > Maṭar And Yaʿlá b. Ḥakīm > Nāfiʿ > Nubayh b. Wahb > Abān b. ʿUthmān > ʿUthmān

The aforesaid tradition has also been transmitted by Aban bin ‘Uthman on the authority of ‘Uthman from the Apostle of Allaah ﷺ in a similar manner. This version adds “And he should not make a betrothal”  

أبو داود:١٨٤٢ – حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ أَنَّ مُحَمَّدَ بْنَ جَعْفَرٍ حَدَّثَهُمْ حَدَّثَنَا سَعِيدٌ عَنْ مَطَرٍ وَيَعْلَى بْنِ حَكِيمٍ عَنْ نَافِعٍ

عَنْ نُبَيْهِ بْنِ وَهْبٍ عَنْ أَبَانَ بْنِ عُثْمَانَ عَنْ عُثْمَانَ أَنَّ رَسُولَ اللَّهِ ﷺ ذَكَرَ مِثْلَهُ زَادَ وَلاَ يَخْطُبُ  

See similar narrations below:

Collected by Aḥmad
ahmad:496 – Sufyān > Ayyūb b. Mūsá > Nubayh b. Wahb > Abān b. ʿUthmānaʿan ʿUthmān Yablugh Bih

ʿThe pilgrim in ihram should not get married or propose marriage.ʿ  

أحمد:٤٩٦ – حَدَّثَنَا سُفْيَانُ عَنْ أَيُّوبَ بْنِ مُوسَى

عَنْ نُبَيْهِ بْنِ وَهْبٍ عَنْ أَبَانَ بْنِ عُثْمَانَعَنْ عُثْمَانَ يَبْلُغُ بِهِ النَّبِيَّ ﷺ قَالَ لَا يَنْكِحُ الْمُحْرِمُ وَلا يَخْطُبُ