An interesting plot twist might be that Charlie Matheson gives birth in a completely different time period or dimension. She suddenly finds herself in a historical era or a parallel universe during the labor, and has to deal with the differences in medical knowledge and cultural norms while bringing her baby into the world.
One idea could be a fanfic where Charlie Matheson's pregnancy is a time of great anticipation. Her friends and family rally around her. The story could focus on her emotional journey, from the initial shock of finding out she's pregnant to the joy and nervousness as the due date approaches. It could also include details about how she prepares for the new arrival, like decorating the nursery and taking parenting classes.
One interesting plot twist could be that instead of a normal vampire birth, the baby has some unique powers right from the start. For example, it might be able to communicate telepathically with all the characters, not just Edward. This would change the power dynamics in the story and create new relationships.
Perhaps the plot twist could be that Harry is under a powerful curse that makes him believe he is giving birth. In reality, it's a hallucination created by a dark wizard. As he experiences the 'pains' and 'process' of giving birth, his friends have to figure out what's really going on and break the curse. This would add an element of suspense and also show the power of friendship in helping Harry through such a difficult and strange situation.
Maybe in the fanfic, the naughty children who usually get into trouble in the factory end up teaming up to save the day. They could discover a hidden danger in the factory that even Willy Wonka doesn't know about, and their combined skills, despite their flaws, help overcome it. This would be a big change from the original where they are mostly antagonists.
In Merlin gives birth fanfiction, a plot twist could be that the birth is not a normal physical one. Instead, Merlin creates the baby out of pure magic, which is unheard of in the magical world. This causes a stir among the magical community, some seeing it as a miracle and others as a threat. Another twist might be that the baby has a connection to a different realm, and its birth starts to open portals between worlds. And then there's the twist where Merlin gives birth to twins, but one has light magic and the other has dark magic, setting up an internal struggle within Merlin on how to raise them.
One possible plot twist could be that the baby has some unexpected magical abilities right from birth. Maybe it can communicate with magical creatures in a way no one has seen before. This would add an interesting element to the story as everyone at Hogwarts tries to figure out what it means.
One possible plot twist could be that Bella discovers a hidden power within herself during the birth. For example, she might be able to communicate with the baby in a telepathic way, which gives her the strength to endure the pain alone. Another twist could be that there are unexpected visitors who watch from a distance but choose not to interfere, adding an element of mystery to the story.
Well, a plot twist might be that the Marriage Law is actually part of a dark wizard's plan. Hermione and Charlie then find themselves in the middle of a much larger conspiracy. They might have to use their unique skills - Hermione's intelligence and Charlie's dragon - handling knowledge - to expose the plot and in the process, their relationship could either strengthen or face challenges. Also, perhaps there are ancient magic rules related to such marriages that they need to figure out.
One possible plot twist could be that Anko discovers the baby Naruto has some unique and unexpected powers right from birth. Maybe powers that are not shown in the original Naruto story. For example, he could have an instant connection to snakes like Anko, which could lead to a whole new arc in the fanfiction about him learning to control this power and how it affects his relationship with others in the Hidden Leaf Village.
Often, a plot twist could be the discovery that the baby is part of some ancient prophecy. This throws Draco and Hermione into a whole new set of challenges as they try to protect their child and fulfill the prophecy. Also, there might be a plot twist where Hermione's Muggle - born status causes problems. Some in the wizarding world might try to use the new baby as a way to target Hermione and her family again, despite her relationship with Draco.