One possible theme could be family growth. Since Encanto is all about family, a pregnant character might bring new dynamics to the family relationships in the story. Another theme could be the anticipation and excitement of new life within the magical world of Encanto.
It depends on the character. Some characters like Mirabel, who is open - minded and curious, might enjoy it a great deal. She loves her family and anything that explores their stories in new ways could be appealing to her.
I'm sorry, I don't have specific 'Encanto pregnant fanfic' stories to recommend directly. You can try searching on some fanfic websites like Archive of Our Own. There might be various creative takes on the Encanto characters in such fanfics, but make sure to follow the website's rules and regulations.
Abuela Alma might approach it with a more critical eye. She would be concerned about how the fanfic represents the family's values and traditions. If the fanfic strays too far from what she believes is right for the family, she might not be too happy about it. However, if it shows the family in a positive light while still exploring new concepts, she could be more accepting. And Bruno, he might be a bit shy about seeing himself in the fanfic at first, but then get into it and enjoy seeing different versions of his story and how he interacts with the family in this new fictional setting.
They might be really surprised. Some characters could be flattered by the positive portrayals in the fanfiction. For example, Mirabel might be happy to see different interpretations of her story and how she's seen as a hero in some fics.
Encanto is an original story. Disney's team of writers and animators came up with the concept and brought it to life on the big screen. It's not a adaptation or retelling of another story.
Indeed, Encanto is based on a story. The creators combined different imaginative concepts to bring this story to life, featuring themes of love, unity, and self-discovery within a magical setting.