How big can a woman anus get?

The size of a woman's anus can vary significantly among individuals, as it is a muscular structure that can stretch and accommodate different sizes. During activities such as childbirth or anal intercourse, the anus can temporarily stretch, but it generally returns to its original size afterward. Factors such as genetics, age, and overall health can also influence its elasticity. However, there isn't a specific measurement for how large it can become, as it's highly individual.