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.
bayhaqi:1615Abū ʿAbdullāh > Abū al-Walīd > Muḥammad b. Isḥāq > Abū al-Ashʿath > Ḥammād > Ashʿath > al-Ḥasan > Idhā Raʾat al-Nufasāʾ Aqāmat Khamsīn Laylah And Kadhalik Rawāh Yūnus b. ʿUbayd

[Machine] Even if she is purified, her husband should not have sexual intercourse with her until she reaches the age of forty. It has been narrated from Ibn Abbas that it indicates that he used to go to his wife before the age of forty.  

البيهقي:١٦١٥وَأَخْبَرَنَا أَبُو عَبْدِ اللهِ أنا أَبُو الْوَلِيدِ ثنا مُحَمَّدُ بْنُ إِسْحَاقَ ثنا أَبُو الْأَشْعَثِ ثنا حَمَّادُ عَنْ أَشْعَثَ عَنِ الْحَسَنِ قَالَ إِذَا رَأَتِ النُّفَسَاءُ أَقَامَتْ خَمْسِينَ لَيْلَةً وَكَذَلِكَ رَوَاهُ يُونُسُ بْنُ عُبَيْدٍ عَنِ الْحَسَنِ وَفِي ذَلِكَ دَلِيلٌ عَلَى أَنَّهُ كَانَ تَأَوَّلَ مَا رَوَاهُ عَنْ عُثْمَانَ بْنِ أَبِي الْعَاصِ فِي الْأَرْبَعِينَ عَلَى أَنَّ عُثْمَانَ بْنَ أَبِي الْعَاصِ كَانَ يَذْهَبُ فِيمَا دُونَ الْأَرْبَعِينَ إِلَى

أَنَّهَا وَإِنْ طَهُرَتْ لَمْ يَغْشَهَا زَوْجُهَا حَتَّى تَبْلُغَ أَرْبَعِينَ وَقَدْ رُوِّينَا عَنِ ابْنِ عَبَّاسٍ مَا يَدُلُّ عَلَى أَنَّهُ كَانَ يَذْهَبُ إِلَى خِلَافِهِ فِيمَا دُونَ الْأَرْبَعِينَ