In Islam, marriage is considered a sacred contract and a way to build a family and community. One of the teachings in Islam allows a man, under certain rules, to marry more than one wife. This practice is called polygamy, and in some Muslim communities in the Philippines, especially among the Bangsamoro, it is also called Duawaya. What is Duawaya in Islam? 4 Conditions of Duawaya For Duawaya (polygamous marriage) to be valid in Islam: Practice in the Philippines Purpose of Duawaya Duawaya in Islam is the practice of polygamous marriage where a Muslim man may marry up to four wives, but only if he is just, responsible, and capable. In the Philippines, it is legally recognized for Muslims and must follow both Islamic principles and government regulation.