Another idea is that the Capitol somehow finds out about her pregnancy early on. They could use this knowledge to manipulate the game in different ways. Maybe they try to force her into more dangerous situations or offer her special privileges in exchange for creating more drama in the arena.
One possible storyline could be that Katniss discovers she is pregnant just before entering the arena. She then has to fight not only for her own survival but also for the unborn child. She might form unexpected alliances with other tributes who decide to protect her because of her condition.
Perhaps she tries to keep her pregnancy a secret at first in the arena. But as the games progress, she starts to show signs, and this changes the dynamics of the other tributes' attitudes towards her. Some may see her as an easy target, while others might respect her more for fighting while pregnant.
In a 'Katniss pregnant in the games' fanfiction, it could be that Katniss is initially in shock and fear when she realizes she's pregnant in such a dangerous situation. But as the games progress, her maternal instincts kick in full force. She starts to see the other tributes not just as opponents but as potential threats to her child. She may even try to find a way to end the games early, either by outsmarting the game - makers or by uniting the remaining tributes against the Capitol in a desperate attempt to save herself and her unborn baby.
Another storyline could focus on the reactions of their families and friends to the pregnancy. Some might be overjoyed, while others could be worried about the added responsibility and the potential risks in their world. Katniss and Finnick would then have to navigate these different emotions and opinions.
Katniss would likely become more protective. Her natural instinct to survive would be amplified by the need to protect her unborn child. This could make her more cautious in her actions in the arena, but also more fierce when directly threatened.
Perhaps the story could focus on their relationship during the pregnancy. Peeta, with his kind heart, might be overly protective of Katniss. Katniss, on the other hand, could be worried about bringing a child into a world that is still full of danger after the Hunger Games. They might have different ideas on how to raise the child, like Peeta wanting a more peaceful upbringing while Katniss is more concerned about survival skills.
One possible storyline could be that the daughter faces challenges similar to what Katniss did in the Hunger Games. Maybe she has to deal with the political unrest in Panem while being pregnant. Another could be a story about her relationship with the baby's father and how they navigate the difficulties together. It could also involve the reactions of Katniss and Peeta as grandparents - whether they are overprotective or if they let their daughter make her own choices.
One reason could be to add more emotional depth. Pregnancy can bring out different sides of a character. For Katniss, it might show her vulnerability and how she would adapt to a new role as a mother. Another reason could be to explore her relationships further, especially with Peeta or Gale in the context of starting a family.
One possible storyline could be about Renamon facing the challenges of pregnancy in a world full of adventures. Maybe she has to balance her pregnancy with her duties or training. Another could be the reactions of her friends and allies to her being pregnant, whether it's shock, excitement or concern.
One possible storyline could be that Hiccup and Astrid are happily married and the pregnancy is a planned and joyous event. They start preparing for the baby's arrival, like building a nursery and getting baby supplies. Another could be that the pregnancy is unexpected, causing some initial shock but then they gradually embrace the idea and look forward to becoming parents.
Well, perhaps a storyline could revolve around Borusara preparing for the arrival of the baby. They might be shopping for baby clothes, setting up the nursery, and discussing names for the little one. It could also show how their relationship evolves during this special time.
Perhaps there could be a story where the father of the baby is a mystery, and Makima is on a journey to figure out who it is. This could involve her investigating past relationships or encounters in a world full of secrets and power plays.