أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا عَبْدَةُ، قَالَ حَدَّثَنَا سَعِيدٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، أَنَّ أُمَّ سُلَيْمٍ، سَأَلَتْ رَسُولَ اللَّهِ صلى الله عليه وسلم عَنِ الْمَرْأَةِ تَرَى فِي مَنَامِهَا مَا يَرَى الرَّجُلُ قَالَ ‏"‏ إِذَا أَنْزَلَتِ الْمَاءَ فَلْتَغْتَسِلْ ‏"‏ ‏.‏

It was narrated from Anas that Umm Sulaim asked the Messenger of Allah (PBUH) about a woman who sees in her dream something like a man sees. He said: "If water is released then let her perform Ghusl." Translation Not Available

Book Ref: Sunan An Nisai Book 1 Hadith 195
Web Ref:  Sunan An Nisai Not Available