Well, one possible plot could be that Iris discovers she's pregnant right when a new villain emerges in Central City. The Flash would then have to balance protecting the city and taking care of his pregnant wife. He might be extra cautious in his battles to avoid any harm coming to his unborn child.
Yes, there might be some fanfiction out there with this plot. Fanfiction writers often explore different scenarios for their favorite characters, and a story about The Flash and Iris having a baby can be an interesting concept for many fans to write about.
Obviously, Iris and the Flash are the main characters. Iris is the one who is pregnant, and the Flash is her partner, so they will be at the center of the story.
One possible storyline could be how Iris manages her pregnancy while also dealing with the Flash's superhero duties. Maybe she has to be extra cautious and the Flash has to balance protecting the city and being there for her.
One possible storyline could be them preparing for the baby. Barry might be worried about how his superhero life will affect the family, so he tries to make the city as safe as possible before the baby arrives. He could be seen training other speedsters to take over while he takes paternity leave. Iris, on the other hand, could be writing a series of articles about being a working mother in a world with superheroes, sharing her experiences and hopes for the future.
Well, in a fanfiction about Iris and Nathaniel being pregnant, it could start with a mysterious illness that Iris has. She goes to the doctor and discovers she's pregnant. Nathaniel is initially in disbelief. He has to quickly adjust his mindset from being carefree to being responsible. They could then go on a journey to prepare for the baby, like shopping for baby clothes and setting up a nursery. Their friends could be either very helpful or add some comical chaos to the situation.
I'm not sure if there is specifically a 'Ash gets Iris pregnant' fanfiction. There are countless fanfictions out there, but this particular theme might be quite rare or even non - existent depending on the nature of the Pokémon fan community's standards and the general focus of fan - created stories. Fanfictions usually range from adventure - based to friendship - focused within the Pokémon universe.