‏الصلاة : Hadeeth No:771 'Ubada b. as-Samit reported from the Prophet of Allaah (sallAllaahu alayhi wa sallam ): He who does not recite Fatihat al-Kitab is not credited with having observed the prayer....

‏الحيض : Hadeeth No:586 Al-Aswad narrated it from 'A'isha that she observed: I used to wash the head of the Messenger of Allaah (sallAllaahu alayhi wa sallam), while I was in a state of menstruation....