What is the ruling regarding an a widow observing the waiting period (iddah) if her husband died in her home country while she is residing in another country, and she suffers from a psychological disorder that prevents her from being alone, and she needs to work in a female-only environment, and she needs to travel to her daughter who has just given birth?

The majority of scholars hold that a woman whose husband has died must observe her 'iddah (waiting period) in her home. She is permitted to leave during the day for her needs, such as lawful work, but she is not allowed to spend the night outside her home unless there is a necessity. It is forbidden for her to travel to visit her daughter if it entails spending the night away from home.