Sunan An-Nasa'i

Ibn 'Umar said:""I divorced my wife when she was menstruating. 'Umar went to the Prophet and told him about that. The Prophet said: 'Tell him to take her back, then when she becomes pure, if he wants to, let him divorce her.'"" I said to Ibn 'Umar: ""Did that count as one divorce?"" He said: ""Why not? What do you think if some becomes helpless and behaves foolishly