Perhaps the fanfic could focus on Clary's partner's reaction. If she has a significant other, they might have mixed feelings. They could be excited but also terrified. The story could show how they grow together as a couple in anticipation of the baby. There could also be a sub - plot about preparing a safe place for the baby in a world full of danger.
One idea could be exploring how Clary's relationships with her friends and family change. For example, her friends might rally around her to support her during the pregnancy. Another could be the challenges she faces in her daily life, like dealing with morning sickness while still trying to be part of the action in her world. Maybe she has to learn new magical ways to take care of herself and the baby since she's in a unique situation.
A plot could revolve around the mystery of the baby's powers. Since Clary is in a special world, the baby might have some extraordinary abilities even before birth. This could lead to different factions either trying to protect or harm Clary because of the unborn child. Also, Clary could struggle with her own identity as a soon - to - be mother while still being a hero in her own right.
Perhaps the fanfiction could focus on how their relationship evolves during the pregnancy. They might have more tender moments, but also arguments as the stress of the situation builds. For example, Jace could be overly protective, which Clary might find stifling at times. And they could also be preparing for the baby in a world full of demons and danger, like creating a magically protected nursery or finding special weapons to protect the baby when it arrives.
One idea could be that Magnus and Clary discover the pregnancy unexpectedly. They then have to deal with the reactions from their friends and family. Some might be overjoyed while others could be worried about the challenges ahead.
One plot idea could be Clary dealing with the changes in her relationships. Her friends might be overly protective, and Jace could be both excited and worried about becoming a father. Another could be Clary's struggle with her Shadowhunter duties while pregnant, having to balance her need to protect the world and her unborn child.
One interesting plot idea could be Jace and Clary going on a secret mission within the City of Bones. They could discover a hidden chamber that holds the key to a long - forgotten Shadowhunter power. Another could be them facing a new and powerful demon that specifically targets their relationship, forcing them to rely on their bond more than ever.
One idea could be focusing on the emotional journey of the character. She might feel a mix of overwhelming joy and intense fear. Another could be about the practical preparations for the arrival of four babies, like setting up a huge nursery. Or perhaps the story could revolve around how the family and friends react to this big news.
A possible plot for a 'Ranma 1/2' pregnant fanfic is that it's a result of some magical mishap. This could lead to a search for a way to reverse it, but during that time, Ranma and Akane (or whoever is involved) start to bond in new ways. They could learn more about each other's fears and hopes for the future. Or perhaps it's a plot where an enemy discovers the pregnancy and tries to use it against them, forcing them to come up with creative ways to protect themselves and the unborn child.
Well, they could face a situation where they have to go into hiding during the pregnancy because of the dangerous nature of the clone world. They might find a secluded place where Cosima can have a peaceful pregnancy, but of course, trouble still finds them. Maybe some old enemies track them down, and they have to use their wits and the help of a few trusted friends from the Clone Club to stay safe.
One idea could be exploring how Hawkgirl copes with her pregnancy while still having to protect the city. Maybe she has to balance her new physical limitations with her superhero duties.
One idea could be exploring how Skye's friends and family react to her pregnancy. They might be shocked at first but then come around to support her. Another could be Skye dealing with the physical and emotional changes during pregnancy while also trying to pursue her dreams or hobbies.
One idea could be a story about a centaur community's reaction to a pregnant centaur. It could explore how they support her, their cultural traditions regarding pregnancy. For example, they might have special herbs or rituals to ensure a healthy pregnancy.