وعن ابن عباس رضي الله عنهما عن
النبي صلى الله عليه وسلم قال: «لو أن أحدكم إذا أتى أهله قال: بسم الله، اللهم جنبنا الشيطان وجنب الشيطان ما رزقتنا، فقضى بينهما ولد لم يضره»
The Prophet (sallallahu alayhi wa sallam) said, “If anyone intends to have (sexual intercourse) with his wife, he should say: ‘Bismillah! Allahumma janibnash-Shaitana, wa jannibish-Shaitana ma razaqtana (In the Name of Allah, O Allah! Keep us away from Satan and keep Satan away from what You have bestowed upon us);’ and if Allah has ordained a child for them, Satan will never harm him.”.
Riyad as-Salihin 1445, Book 16, The Book of the Remembrance of Allah, Hadith 38. 1 min read