ENOfficial
Narrated `A'ishah (RAA): Allah's messenger (ﷺ) said, "It is not permitted for a menstruating woman or one who is junub (sexually impure) to stay in the mosque." Related by Abu Dawud and Ibn Khuzaimah graded it as Sahih
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَائِشَةَ رَضِيَ اَللَّهُ عَنْهَا قَالَتْ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ إِنِّي لَا أُحِلُّ اَلْمَسْجِدَ لِحَائِضٍ وَلَا جُنُبٌ } رَوَاهُ أَبُو دَاوُدَ, وَصَحَّحَهُ اِبْنُ خُزَيْمَة َ 1 .
sunnah.com