وَعَنْ أُمِّ سَلَمَةَ قَالَتْ قَالَتْ أُمُّ سُلَيْمٍ: يَا رَسُولَ اللَّهِ إِنَّ اللَّهَ لَا يَسْتَحْيِي مِنَ الْحَقِّ فَهَلْ عَلَى الْمَرْأَةِ من غسل إِذا احْتَلَمت قَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ «إِذَا رَأَتِ الْمَاءَ» فَغَطَّتْ أُمُّ سَلَمَةَ وَجْهَهَا وَقَالَتْ يَا رَسُولَ اللَّهِ أَوَتَحْتَلِمُ الْمَرْأَةُ قَالَ: «نعم تربت يَمِينك فَبِمَ يشبهها وَلَدهَا؟» وَزَادَ مُسْلِمٌ بِرِوَايَةِ أُمِّ سُلَيْمٍ: «أَنَّ مَاءَ الرَّجُلِ غَلِيظٌ أَبْيَضُ وَمَاءَ الْمَرْأَةِ رَقِيقٌ أَصْفَرُ فَم أَيِّهِمَا عَلَا أَوْ سَبَقَ يَكُونُ مِنْهُ الشَّبَهُ»

Umm Salama told how Umm Sulaim said, "Messenger of God, God is not ashamed of the truth. Is any washing necessary for a woman when she has a sexual dream?” He replied, "Yes, when she sees signs of liquid.” Umm Salama then covered her face and said, "Messenger of God, does a woman have sexual dreams?” He replied, "Of course she does. In what way does her child resemble her?” (Bukhari and Muslim.) Muslim added in the version of Umm Sulaim, "The man’s liquid is coarse and white, the woman’s fine and yellow, so the resemblance comes from the one which prevails or comes first.”