It is narrated from Hazrat Abu Saeed Khudri (may Allah be pleased with him) that once some women said to the Prophet (peace and blessings of Allah be upon him): "O Messenger of Allah (peace and blessings of Allah be upon him)! The men have dominated us regarding attendance in your gatherings, so please appoint a day for us as well." The Prophet (peace and blessings of Allah be upon him) promised them a specific time, and there he preached and advised them and said: "If any woman among you has three children who die, they will become a barrier for her from Hell." A woman asked: "What if two of my children have died?" The Prophet (peace and blessings of Allah be upon him) said: "Even if they are two, the same ruling applies."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 11686