The first is the status of women. Polygyny is associated with higher rates of domestic violence, psychological distress, co-wife conflict, and greater control of women, according to research by the Brown University political scientist Rose McDermott.

Why is polygamy unethical?

Some commentators contend that disallowing polygamy is justified, even when same-sex marriage is permitted, because polygamy is immoral, fosters child abuse, promotes the subjugation of women and sows discord by pitting wives against each other and leaving large numbers of men unmarried.

Why is polygamy wrong in the Bible?

The Catechism forbids polygamy as a grave offense against marriage and contrary to the original plan of God and equal dignity of human beings.