In case a woman sees that, she must take a bath. Umm Sulaim said: I was bashful on account of that and said: Does it happen? Upon this the Messenger of Allah ﷺ said: Yes (it does happen), otherwise how can (a child) resemble her? Man's discharge (i. e. sperm) is thick and white and the discharge of woman is thin and yellow; so the resemblance comes from the one whose genes prevail or dominate.  

أَنَّهَا سَأَلَتْ نَبِيَّ اللَّهِ ﷺ عَنِ الْمَرْأَةِ تَرَى فِي مَنَامِهَا مَا يَرَى الرَّجُلُ فَقَالَ رَسُولُ اللَّهِ ﷺ إِذَا رَأَتْ ذَلِكِ الْمَرْأَةُ فَلْتَغْتَسِلْ فَقَالَتْ أُمُّ سُلَيْمٍ وَاسْتَحْيَيْتُ مِنْ ذَلِكَ قَالَتْ وَهَلْ يَكُونُ هَذَا فَقَالَ نَبِيُّ اللَّهِ ﷺ نَعَمْ فَمِنْ أَيْنَ يَكُونُ الشَّبَهُ إِنَّ مَاءَ الرَّجُلِ غَلِيظٌ أَبْيَضُ وَمَاءَ الْمَرْأَةِ رَقِيقٌ أَصْفَرُ فَمِنْ أَيِّهِمَا عَلاَ أَوْ سَبَقَ يَكُونُ مِنْهُ الشَّبَهُ  

"O Messenger of Allah! Allah is not shy to tell the truth. Inform me: if a women sees in a dream what men see should she perform Ghusl from that?" The Messenger of Allah ﷺ said to her: "Yes." 'Aishah said: "I expressed my displeasure and said: 'Does a woman see that?' The Messenger of Allah ﷺ turned to me and said: 'May your right hand be covered with dust! How else would (her child) resemble her?'"  

أَنَّ أُمَّ سُلَيْمٍ كَلَّمَتْ رَسُولَ اللَّهِ ﷺ وَعَائِشَةُ جَالِسَةٌ فَقَالَتْ لَهُ يَا رَسُولَ اللَّهِ إِنَّ اللَّهَ لاَ يَسْتَحْيِي مِنَ الْحَقِّ أَرَأَيْتَ الْمَرْأَةَ تَرَى فِي النَّوْمِ مَا يَرَى الرَّجُلُ أَفَتَغْتَسِلُ مِنْ ذَلِكَ فَقَالَ لَهَا رَسُولُ اللَّهِ ﷺ نَعَمْ قَالَتْ عَائِشَةُ فَقُلْتُ لَهَا أُفٍّ لَكِ أَوَتَرَى الْمَرْأَةُ ذَلِكِ فَالْتَفَتَ إِلَىَّ رَسُولُ اللَّهِ ﷺ فَقَالَ تَرِبَتْ يَمِينُكِ فَمِنْ أَيْنَ يَكُونُ الشَّبَهُ  

Messenger of Allah. Allah is not ashamed of truth what do you think, if a woman sees what a man sees in dream, should she take a bath or not? The prophet ﷺ replied: Yes, she should take a bath if she finds the liquid (vaginal secretion) ‘A’ishah said : Then I came upon her and said her : Woe to you! Does a woman see that (sexual dream)? In the meantime, the Messenger of Allah ﷺ came upon me and said: May your right hand be covered with dust! How can there be the resemblance (i.e., between the child and the mother)? Abu Dawud said: A similar version has been narrated by Zubaid, ‘Uqail, Yunus, cousin of Al-Zuhri, Ibn Abi-Wazir, on the authority of al-Zuhr, musan, al-Hajabi, like al-Zuhri, narrated on the authority of ‘Urwah from ‘A’ishah, but Hisham b. ‘Urwah narrated from ‘Urwah on the authority of Zainab daughter of Abu Salamah from Umm Salamah saying. Umm Sulaim came to the Messenger of Allah ﷺ.  

يَا رَسُولَ اللَّهِ إِنَّ اللَّهَ ﷻ لاَ يَسْتَحْيِي مِنَ الْحَقِّ أَرَأَيْتَ الْمَرْأَةَ إِذَا رَأَتْ فِي النَّوْمِ مَا يَرَى الرَّجُلُ أَتَغْتَسِلُ أَمْ لاَ قَالَتْ عَائِشَةُ فَقَالَ النَّبِيُّ ﷺ نَعَمْ فَلْتَغْتَسِلْ إِذَا وَجَدَتِ الْمَاءَ قَالَتْ عَائِشَةُ فَأَقْبَلْتُ عَلَيْهَا فَقُلْتُ أُفٍّ لَكِ وَهَلْ تَرَى ذَلِكَ الْمَرْأَةُ فَأَقْبَلَ عَلَىَّ رَسُولُ اللَّهِ ﷺ فَقَالَ تَرِبَتْ يَمِينُكِ يَا عَائِشَةُ وَمِنْ أَيْنَ يَكُونُ الشَّبَهُ  

Yahya related to me from Malik from Ibn Shihab from Urwa ibn az- Zubayr that Umm Sulayman said to the Messenger of Allah ﷺ "Should a woman do ghusl when she experiences the same as a man in her sleep?" The Messenger of Al lah said to her, "Yes, she should do ghusl. "A'isha said to her, "Shame on you! Does a woman see that?" (i.e. a liquid.) The Messenger of Allah ﷺ said to her, "May your right hand be full of dust. From where does family resemblance come?"  

قَالَتْ لِرَسُولِ اللَّهِ ﷺ الْمَرْأَةُ تَرَى فِي الْمَنَامِ مِثْلَ مَا يَرَى الرَّجُلُ أَتَغْتَسِلُ فَقَالَ لَهَا رَسُولُ اللَّهِ ﷺ نَعَمْ فَلْتَغْتَسِلْ فَقَالَتْ لَهَا عَائِشَةُ أُفٍّ لَكِ وَهَلْ تَرَى ذَلِكَ الْمَرْأَةُ فَقَالَ لَهَا رَسُولُ اللَّهِ ﷺ تَرِبَتْ يَمِينُكِ وَمِنْ أَيْنَ يَكُونُ الشَّبَهُ  

"O Messenger of Allah! Allah is not shy to tell the truth. Inform me: if a women sees in a dream what men see should she perform Ghusl from that?" The Messenger of Allah ﷺ said to her: "Yes." 'Aishah said: "I expressed my displeasure and said: 'Does a woman see that?' The Messenger of Allah ﷺ turned to me and said: 'May your right hand be covered with dust! How else would (her child) resemble her?'" (Using translation from Nasāʾī 196)   

عَنْ عَائِشَةَ زَوْجِ النَّبِيِّ ﷺ أَنَّهَا أَخْبَرَتْهُ أَنَّ أُمَّ سُلَيْمٍ أُمَّ بَنِي أَبِي طَلْحَةَ دَخَلَتْ عَلَى رَسُولِ اللَّهِ ﷺ فَقَالَتْ يَا رَسُولَ اللَّهَ إِنَّ اللَّهِ لَا يَسْتَحْيِي مِنَ الْحَقِّ أَرَأَيْتَ الْمَرْأَةَ تَرَى فِي النَّوْمِ مَا يَرَى الرَّجُلُ أَتَغْتَسِلُ؟ قَالَ «نَعَمْ» فَقَالَتْ عَائِشَةُ فَقُلْتُ أُفٍّ لَكِ أَتَرَى الْمَرْأَةُ ذَلِكَ؟ فَالْتَفَتَ إِلَيْهَا رَسُولُ اللَّهِ ﷺ فَقَالَ «تَرِبَتْ يَمِينُكِ فَمِنْ أَيْنَ يَكُونُ الشَّبَهُ»