A plot could involve the main characters dealing with unexpected challenges during the pregnancy. Maybe there are financial concerns or family issues that surface. It could also show how their friends support them through this new phase of life. They could have different reactions, some being overly excited while others are more cautious, adding drama to the fanfic.
Obviously, Hazel and Augustus could be the main characters. Their love story was central in 'The Fault in Our Stars', and a pregnant fanfic could explore their new chapter as a family. They already had a deep connection, and a pregnancy would add a whole new dimension to their relationship.
One possible plot could be that Nalu discovers they are expecting a baby unexpectedly. They then have to deal with the joys and fears that come with it. For example, Nalu might start preparing a nursery together, picking out cute baby clothes and furniture. And they would also worry about how they will be as parents, but their love for each other helps them through this new chapter of their lives.
One possible plot could be that Owen discovers Blue is pregnant. He then takes on the role of a protector, making sure she has a safe and comfortable place to stay. He gathers resources for her and fends off any potential threats in their environment.
One possible plot could be that Riley Anderson discovers she's pregnant unexpectedly. She then has to deal with the reactions of her friends and family. Some might be supportive, while others are shocked or disappointed. She could go through a journey of self - discovery as she prepares to become a mother, learning about responsibility and sacrifice along the way.
One idea could be that Astrid discovers she's pregnant during a time of relative peace in Berk. She initially tries to keep it a secret from Hiccup because she's not sure how he'll react. As the story progresses, she starts to show signs and has to face the reality of sharing the news. Meanwhile, the village is preparing for a new celebration, and Astrid is worried about how the pregnancy will affect her role in it.
One possible plot could be that Serena discovers she's pregnant and is initially scared. Nate, on the other hand, steps up and they decide to face this new chapter together. They start preparing for the baby, from choosing a nursery to attending parenting classes. Along the way, they face some judgment from their friends and family, but their love for each other and the unborn child helps them overcome all the obstacles.
One possible plot could be that the black cat is a stray who finds a kind-hearted person to take her in while she is pregnant. The person then helps her through the pregnancy, building a strong bond with the cat. As the due date approaches, they prepare a cozy place for the cat to give birth, and in the end, the cat has a litter of cute kittens.
The plot might involve Gwen being pregnant in a difficult situation, like in a world where having a child is dangerous. She could be trying to protect her unborn baby while also facing external threats. Or perhaps she's pregnant and has to hide it from someone who would not approve, and the story could revolve around her keeping the secret and the challenges that come with it. For example, she may have to lie about her condition during certain events or interactions. Another aspect could be her dealing with the physical and emotional changes that come with pregnancy while still trying to maintain her normal life.
One possible plot could be that Reshiram, in a world where Pokémon have more human - like emotions and relationships, discovers it is pregnant. It could then struggle with how to protect its unborn offspring in a world filled with various threats and challenges. Maybe it has to seek out a safe haven away from other powerful Pokémon who might see the unborn as a threat.
A great plot for a Caroline pregnant fanfic would be the mystery of the baby's father. If it's not clear who the father is at the start, Caroline could go on a journey to figure it out. Along the way, she uncovers secrets about her past relationships and discovers things about herself that she never knew before.