SUPPLICATION BEFORE SLEEPING WITH YOUR SPOUSE H 1476 "When you sleep with your wife and supplicate, 'In the Name of Allah, keep us away from satan, O Allah, and keep satan away from that which You may give to us.' If a child is written for you it will not be harmed by him." R 1476 Bukhari and Muslim with a chain up to ibn Abbas who related that the Messenger of Allah, sa) said this.
1445- وعن ابن عباسٍ رضي الله عنه ، عن النبيِّ صلى الله عليه وآله وسلم ، قَالَ : "لَوْ أنَّ أَحَدَكُمْ إِذَا أتَى أهْلَهُ قَالَ : بِسْمِ الله ، اللَّهُمَّ جَنِّبْنَا الشَّيْطَانَ ، وَجَنِّبِ الشَّيْطَانَ مَا رَزَقْتَنَا ، فَقُضِيَ بَيْنَهُمَا وَلَدٌ ، لَمْ يَضُرَّهُ" . متفق عَلَيْهِ .