صحيح البخاري
Sahih Bukhari
كتاب الطلاق
The Book of Divorce
باب: {واللائي يئسن من المحيض من نسائكم إن ارتبتم} :
Chapter.“And those of your women as have passed the age of monthly courses, for them the Iddah (prescribed period), if you have doubt, (about their periods)...”(V.65:4)