It could be that Ginny is part of a bet or a dare. Her friends or acquaintances might have challenged her to pretend to be pregnant for a certain period. In the fanfiction, this could lead to all sorts of comical and complicated situations as she tries to keep up the pretense in front of different people.
Well, one possible development could be that Ginny has to deal with the reactions of her family and friends. They might be shocked at first but then come around to support her.
One possible plot could be that Harry and Ginny are overjoyed at the news of Ginny's pregnancy. They start preparing for the baby's arrival by setting up a nursery in their home at Grimmauld Place. Ginny might take a break from Quidditch, and Harry would be extra protective, constantly worrying about her safety. Their friends like Hermione and Ron would be excited and offer their help, bringing baby clothes and giving advice based on what they've read in wizarding parenting books.
Her friends would be greatly affected. Some friends might be supportive at first, offering help and advice. But as the truth might start to surface, they could feel betrayed or angry. And if she has a romantic partner, that person would be one of the most affected. They could feel pressured, confused, or deceived depending on their relationship with Ginny.
Well, it could be that Ginny is pregnant in a world where magic exists (assuming this is related to a magical universe like Harry Potter if Ginny is from there). The pregnancy could bring about some sort of magical phenomenon. Maybe the unborn baby has some sort of special power that starts to manifest during the pregnancy. This could lead to Ginny having to protect the baby from those who might want to use the baby's power for their own gain. At the same time, Ginny has to deal with the normal physical and emotional aspects of pregnancy like morning sickness and mood swings.
The plot might involve Ginny and Blaise secretly dating for a while and then Ginny getting pregnant. They decide to keep it a secret at first but as Ginny's pregnancy progresses, it becomes harder to hide. Their friends start to suspect something is up when Ginny starts avoiding certain activities. They then have to face the consequences of their actions and figure out how they want to raise the child together, considering their different Hogwarts houses and the rivalry that once existed between them.
In this fanfiction, perhaps there's a plot where Ginny discovers she's pregnant and she starts having visions or strange dreams about Dumbledore. The story could then revolve around her trying to figure out what this connection means. Is it a sign of a great destiny for the unborn child? Or is it some sort of dark magic at play? She might seek help from her friends and family in Hogwarts to understand what's going on.
One possibility is that there would be a great deal of secrecy and worry. Ginny might be afraid of how Harry, her friends, and the school authorities would react. She could try to hide it for a while, perhaps relying on Hermione's help for things like getting through classes without fainting or feeling sick.
Well, one possible plot development could be the reaction of her family. They might be shocked at first, but then come around to support her. For example, her mother could offer her motherly advice on how to handle the situation while still being a teenager. Another development could be how Ginny herself copes with the pregnancy both physically and emotionally. She may struggle with her studies and friendships as she has to deal with this new life - changing situation.
In this fanfiction, Ginny might find strength within herself that she didn't know she had. She could start to form new relationships with other characters who help her through the pregnancy. For example, she could become closer to Hermione, who could offer practical and emotional support. The pregnancy could also be a catalyst for changes in the wizarding society's view on single motherhood. It could lead to new laws or social norms being established, and Ginny could be at the forefront of this change.
One possible plot development could be the exploration of Ginny and James' relationship. Maybe they face challenges due to the unexpected pregnancy. Their families might have different reactions, like Ginny's family being protective and James' family having high expectations. They could struggle to balance their personal lives, studies or jobs with the upcoming baby.