Question 35: Is it permissible for a wife to refuse having sexual intercourse with her husband when he desires it? What is the ruling if she refuses merely out of stubbornness?
Answer: It is not permissible for a wife to disobey her husband when he wishes to be intimate with her except for a Shar`ee (Islaamically lawful) reason, such as menstruation. It is related in the Two Saheeh (authentic) Books of Hadeeth (i.e. Al-Bukhaaree and Muslim) on the authority of Aboo Hurayrah (may Allaah be pleased with him) who narrated that the Messenger of Allaah (peace be upon him) said... read more here.