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.
muslim:346a[Chain 1] Abū al-Rabīʿ al-Zahrānī > Ḥammād > Hishām b. ʿUrwah [Chain 2] Abū Kurayb Muḥammad b. al-ʿAlāʾ > Abū Muʿāwiyah > Hishām from his father > Abū Ayyūb > Ubay b. Kaʿb

I arked the Messenger of Allah ﷺ about a man who has sexual intercourse with his wife, but leaves her before orgasm. Upon this he (the Holy Prophet) said: He should wash the secretion of his wife, and then perform ablution and ofier prayer.  

مسلم:٣٤٦aحَدَّثَنَا أَبُو الرَّبِيعِ الزَّهْرَانِيُّ حَدَّثَنَا حَمَّادٌ حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ ح وَحَدَّثَنَا أَبُو كُرَيْبٍ مُحَمَّدُ بْنُ الْعَلاَءِ وَاللَّفْظُ لَهُ حَدَّثَنَا أَبُو مُعَاوِيَةَ حَدَّثَنَا هِشَامٌ عَنْ أَبِيهِ عَنْ أَبِي أَيُّوبَ عَنْ أُبَىِّ بْنِ كَعْبٍ قَالَ

سَأَلْتُ رَسُولَ اللَّهِ ﷺ عَنِ الرَّجُلِ يُصِيبُ مِنَ الْمَرْأَةِ ثُمَّ يُكْسِلُ فَقَالَ يَغْسِلُ مَا أَصَابَهُ مِنَ الْمَرْأَةِ ثُمَّ يَتَوَضَّأُ وَيُصَلِّي