Consult religious scholars before taking action related to marriage or divorce; Be aware of your wives' menstrual cycles; Follow justice and fairness towards women in all matters related with marriage or divorce; Take your wife back if you have divorced her during menstruation period .

This hadith is about a man who divorced his wife when she was menstruating, and 'Umar went to the Prophet and told him about that. The Prophet then ordered the man to take her back until she became pure, without adding anything else. This hadith teaches us that divorce during menstruation is not allowed in Islam as it goes against its teachings of justice and fairness towards women. It also shows us how important it is for men to be aware of their wives' menstrual cycles before making any decisions regarding marriage or divorce. Furthermore, this hadith also highlights the importance of consulting with religious scholars before taking any action related to marriage or divorce as they can provide guidance on what is permissible according to Islamic law.