Well, it might be about a character with some sort of superpower that they can't control. Maybe they have a power of fertility that spreads uncontrollably, thus getting everyone pregnant. Another possibility is that it could be set in a post - apocalyptic world where a new form of radiation has the side - effect of causing pregnancy in all genders.
Well, one possibility could be that Harry and Susan have an unexpected relationship that leads to the pregnancy. Maybe they were just friends at first and then a passionate moment changes everything. It could then explore how they deal with the news, like telling their families and friends. And also, how they plan for the future with a baby on the way.
The fanfic could also take a more complex turn. Annabeth gets pregnant at a time when there are threats to the world. She has to deal with the fact that she's bringing a new life into a potentially dangerous situation. There could be a prophecy related to her unborn child, which adds more drama. Her pregnancy might also be a sign of hope for the future of their world, as the child could be a great hero in the making.
Well, one possibility could be that Naruto discovers that his friends have been secretly working against him in some way, like lying about their intentions or using him for their own gains. Maybe they've been making deals behind his back that go against what he believes in.
In such a fanfic, the plot might start with Naruto's friends gradually turning against him due to false rumors spread by a hidden enemy. They could start to exclude him from missions and isolate him within the village. For example, Sasuke might believe the lies and challenge Naruto, thinking he has changed for the worse. This would lead to a series of battles where Naruto has to fight not only his former friends but also his own feelings of betrayal and confusion.
One possible plot twist could be that the girl who is pregnant has some sort of magical ability related to the pregnancy that no one expected. Maybe she can communicate with the unborn child in a magical way. Another could be that Harry discovers he's not the real father, but due to some magical mix - up, he has to take on the role anyway.
One possible plot development could be the initial shock and confusion for both Harry and Hermione. They would have to deal with the reactions of their friends, like Ron, who might be very surprised or even a bit jealous. Then they'd need to figure out how to balance their new situation with their fight against Voldemort or other magical threats. Another aspect could be how they prepare for the baby, from finding a safe place to live to getting all the necessary baby supplies in the wizarding world.
In this kind of fanfic, another aspect could be how Naruto's relationship with the girl changes. At first, they might have just been friends or casual acquaintances. But now, with the pregnancy, they have to build a stronger bond. They'd need to figure out their living situation, how to support the baby financially in the ninja world, and also deal with any potential social stigma that might come with having a child out of wedlock in their society.
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 in a world of magic and mystery, Dean's car, which has some sort of enchanted spirit bound to it, starts to exhibit strange behavior. The car begins to glow and hum, and soon enough, there are signs of 'pregnancy' like a warm, pulsating energy from within. Dean has to figure out how to deal with this situation, perhaps seeking help from a local witch or wizard who has knowledge of such strange phenomena.
In a 'zuko gets oc pregnant fanfic', the plot could center around the OC being from a different background than Zuko. Their relationship was a bit of a forbidden love to start with. When she gets pregnant, Zuko has to make a choice between his loyalty to his family or kingdom and his love for the OC and their unborn child. It could also involve the OC trying to fit into Zuko's world while dealing with the physical and emotional changes of pregnancy.