There could be plotlines where Susan's pregnancy is a sign of a new era in Narnia. It might be seen as a symbol of hope and new beginnings. Or perhaps there are challenges she faces because of her pregnancy, like dealing with enemies who see her as vulnerable now.
One interesting plotline could be that Susan's pregnancy is a result of some magical or prophetic event in Narnia. This could lead to a whole new set of adventures as she tries to understand the significance of it. Her pregnancy might also bring her closer to characters she previously had a strained relationship with, as they come together to support her during this time.
One popular 'Narnia Susan pregnant fanfiction' might be found on platforms like Archive of Our Own. However, I can't specifically recommend a particular one as there are many and their quality varies. You could start by looking at the most reviewed or bookmarked ones on the relevant fanfiction websites.
I'm not sure if there is specific fanfiction about Susan being pregnant in The Chronicles of Narnia. Fanfiction can cover a wide range of topics, but this might be a rather unorthodox or less common theme. It could potentially exist in some corners of the vast fanfiction world, but it's not something that is widely known or mainstream within the Chronicles of Narnia fanfiction community.
One possible storyline could be that it changes Susan's role in Narnia completely. Maybe she has to deal with the challenges of motherhood while also trying to protect Narnia. Another could be that the pregnancy is a result of some magical or mysterious force in Narnia, and she has to figure out how to handle it along with the politics and power struggles in the land. It could also lead to a situation where she has to make difficult choices between her unborn child and the safety of Narnia.
One possible plot could be that they face challenges in Narnia while Susan is pregnant. Maybe there are threats to the kingdom that they have to deal with together, all while preparing for the arrival of their child. Caspian might be extra protective of Susan, and they could rely on the help of their friends in Narnia.
Susan could develop into a more nurturing figure. Since she's pregnant, she might become more in tune with the needs of others in Narnia, not just her own family. Caspian, on the other hand, might grow in his sense of responsibility. He now has a family to protect, so he may make different decisions regarding the kingdom.
Perhaps a plotline where the pregnancy is unexpected and it throws Susan Caspian's life into chaos. She might have to make difficult decisions regarding her future, her relationships, and her own identity. There could also be a plotline where the father of the baby is in some sort of mystery or danger, adding more drama to the story.
One common plotline is how they prepare for the baby. It could involve them decorating the nursery, choosing baby names, and dealing with the reactions of their families and friends. Another plotline might focus on the challenges Bella faces during her pregnancy, like her health concerns due to her unique situation as a human - vampire hybrid pregnancy. For example, in some fanfictions, there are difficulties with the baby's growth rate that they have to deal with.
I really like 'Peter and Susan's Unseen Journeys'. It takes the characters of Peter and Susan and puts them in some really interesting situations that we might not have thought of in the original Narnia stories. It has a great plot that keeps you hooked from start to finish.
Yes, for instance, a plotline could be Naruto having to protect his students from a new and dangerous threat to the Hidden Leaf. This would show his growth as a sensei and his determination to keep his students safe.
One possible plotline could be that Lucy's pregnancy is a result of some magical interference in Narnia. Maybe a powerful spell was cast on her accidentally or as part of an evil plot. And she has to deal with the consequences while also trying to protect Narnia from an upcoming threat.