In some fanfictions, this could be a turning point for Katniss. She might realize her true feelings for Peeta. Before seeing him with the other girl, she might have been denying her emotions. But now, seeing him with someone else, she could feel a pang of jealousy that makes her understand that she has deeper feelings for Peeta than she thought. This could then lead to her trying to win Peeta back, or at least figure out what's really going on between him and the other girl.
She might get angry. Katniss has a fiery side, and seeing Peeta with another girl could trigger that. She could give Peeta the cold shoulder and refuse to talk to him.
Well, one possibility is that they would face a lot of challenges in protecting their unborn child. In the world of Mockingjay, it's full of danger. They might have to hide from the Capitol's remaining forces to ensure the safety of their family. Also, their friends and allies could rally around them to help, like Haymitch giving them advice on how to survive in such a tough situation.
In a 'Katniss and Peeta kidnapped' fanfiction, they could be taken by a group of outlaws who want to ransom them back to District 13. During their captivity, Katniss and Peeta might learn more about the outlaws' motives, which could be more complex than just money. They could also use this time to plan their own rescue, using their skills from the Hunger Games.
In the fanfiction, the pregnancy could be a turning point in their story. It could symbolize a new beginning, a chance to break free from the cycle of violence. They could start teaching their unborn child about peace and equality through their own actions and conversations during the pregnancy, setting the stage for a different future for their family and the district.
One possibility is that their kids would inherit their parents' survival skills. Katniss is an excellent archer and Peeta is strong and resourceful. So the kids might use these skills to form alliances early on. For example, they could use Peeta's charm to make friends and Katniss's hunting skills to provide food for their group. Another aspect could be the emotional turmoil they'd face. Just like their parents, they'd have to deal with the fear of losing each other and the harshness of the games environment. Maybe they'd also have some special strategies based on their family's history in the games.
Well, Katniss meeting Peeta's family in fanfiction could be a really interesting scenario. His family might be a bit wary of her at first, considering the situation they're all in. But as they get to know her, they could start to accept her. There could be some awkward moments, like when they ask her about her life in District 12. And Katniss might be surprised by how normal and loving Peeta's family seems compared to her own family situation. This encounter could strengthen her bond with Peeta in some ways, as she gets more involved in his family life.
Perhaps Gale decides to hide his feelings at first. He could watch in silence, his face showing a range of emotions from shock to sadness. Later, he might try to distance himself from Katniss, realizing that she has strong feelings for Peeta.
Well, one possibility is that it could add a whole new layer of complexity to the story. Peeta might be overjoyed and become even more protective of Katniss. Their relationship could deepen as they face the challenges of not only the Capitol but also impending parenthood. It could also change how the other tributes view them, perhaps some might see them as more vulnerable, while others might respect them even more for having to deal with this on top of the Games.
One possible reason could be that in this fanfiction, Peeta might have had a past experience with Katniss that made him lose his love for her. For example, if Katniss made a choice that deeply hurt Peeta, like choosing the Games over their relationship in a crucial moment. Another reason could be that the author wants to explore an alternative storyline where Peeta's feelings change due to external influences such as political pressure in the Capitol forcing him to distance himself from Katniss. Or perhaps, in this fanfiction, Peeta meets someone else who makes him realize that his feelings for Katniss were not as deep as he thought.
One challenge could be the lack of resources. Their world is often harsh, and getting enough food, medical supplies for the pregnancy and for the baby later would be difficult.