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Traditionally, women in the Northern Water Tribe are forbidden to learn waterbending, and are only allowed to learn how the heal, it is likely that they will make an exception for a female Avatar as it is the Avatar's duty to learn all the elements and preserve balance. As Avatar Yangchen pointed out, the Avatar's duties are to the entire world, not just their own people.

In the "Escape To The Spirit World" mini-episodes, it is also known that an Avatar can object against nobility as well as bend the rules.