Perhaps there could be a bit of a complication during the pregnancy. Maybe Perdita has some dietary issues that Pongo has to figure out how to solve. He could go on a journey to find the perfect food for her to keep her and the puppies healthy.
One idea could be that Pongo and Perdita discover a hidden talent in one of their puppies. For example, one of the puppies has an amazing ability to find lost things. So, they start using this talent to help the neighborhood. They become local heroes as they find lost toys, keys, and even small pets. It brings a lot of joy to the community, and Pongo and Perdita are very proud parents.
Well, it could be a jealous neighbor dog. This dog might be envious of all the attention Pongo and Perdita are getting because of the upcoming puppies and try to cause trouble.
In a fanfiction about Pongo and Perdita, they could have a new adventure in a different part of the city. Maybe there was a big dog show coming up. Pongo was excited because he thought it would be a great opportunity for all their puppies to show off their unique spots. Perdita was a bit more cautious. She worried about the safety of the puppies in a new and crowded environment. But Pongo convinced her. At the dog show, they met all kinds of different dogs. There were some who were a bit snooty, but Pongo and Perdita just ignored them and focused on having a good time with their puppies.
Perhaps the pregnancy is a result of some sort of magic gone wrong. In the Miraculous universe, there are many magical elements. So, a spell or an akuma's power could have caused Ladybug to become pregnant. This would lead to them having to figure out how to reverse it or accept it and deal with the consequences.
One idea could be exploring how the family reacts to the pregnancy. For example, the parents might have mixed feelings of joy and worry. Another could be the character's journey during the pregnancy, like dealing with school and relationships at the same time.
Another idea is that Pennywise's pregnancy is the result of some sort of dark magic or a pact with an even more sinister force. The fanfiction could explore how Pennywise navigates this new situation, whether it tries to hide it from its usual prey or uses it as a weapon. For example, it could pretend to be a vulnerable pregnant entity to lure in those with a sympathetic nature, only to reveal its true self at the last moment.
One idea could be focusing on how Naruto and Hinata prepare for the baby. Naruto might be excited yet a bit nervous about being a father, while Hinata is calm and starts knitting baby clothes. Another could be about their friends' reactions. Sakura could be giving Hinata pregnancy advice, and Kakashi might be secretly happy for them.
A plot could revolve around Hermione's friends' reactions. For instance, Harry and Ron might be shocked at first but then become super protective. It could also show how Hermione's pregnancy affects her studies or her work in the wizarding world, perhaps she has to take a break from her research and how she copes with that.
One idea could be the challenges of preparing for the arrival of eight babies at once. There could be a focus on how the family copes with getting a large enough home, buying enough supplies, and dealing with the financial strain. Another plot could revolve around the mother's health during the pregnancy and how she has to be on strict bed rest. Also, the reactions of friends and extended family, like some being overjoyed while others are worried or even jealous, could add depth to the story.
One idea could be exploring how the other characters in the story react to Frisk's pregnancy. For example, their friends might be shocked at first but then become very supportive, offering help and advice. Another plot could revolve around Frisk's own fears and hopes for the future as a soon - to - be parent.