In this fanfiction, the story could start with the relationship between the character and Thorin that led to the pregnancy. Once in Mirkwood, the pregnant character might befriend some of the more sympathetic elves. The birth itself could be a moment of great magic, as the baby might have some special abilities that are awakened during the process. Thorin, when he finally arrives, has to deal with the fact that his child is now part of the Mirkwood legacy in some way, and they all have to figure out how to protect the baby from those who would seek to use its power for evil.
One possible plot could be that the main character, perhaps a female elf or dwarf, finds herself in Mirkwood while pregnant with Thorin's child. She might face challenges like the dark forces in Mirkwood that threaten the safety of her and the unborn baby. The story could involve her seeking shelter and protection from the elves of Mirkwood, who are initially hesitant but then come to her aid due to her connection to Thorin. There could also be a sub - plot about Thorin trying to reach her in Mirkwood, facing his own set of obstacles on the way.
Medical and practical challenges. Mirkwood may not have the proper facilities or herbs for a safe childbirth. She would need to rely on her own knowledge or the help of a very few allies to ensure a healthy birth. Also, there could be a lack of communication with Thorin, leaving her feeling alone and stressed during this difficult time.
Perhaps in the fanfiction, Kate's pregnancy was a big surprise to everyone. When she's giving birth to this 'big baby', Castle is by her side, reminiscing about their journey together. The plot could involve the medical team being astonished by the size of the baby and how they handle the situation. It might also show how Kate and Castle prepare for the new addition to their family in the days following the birth.
The plot could involve a trainer who discovers the pregnant Lugia. The trainer decides to stay and help, using their knowledge of Pokemon care. They gather special items or herbs to assist the birth. This could lead to a unique bond between the trainer and the Lugia family, and perhaps the baby Lugia would later become a special partner for the trainer.
One possible plot could be that Pikachu is in a Pokémon center being cared for by Nurse Joy. The other Pokémon in the center are all very excited and protective. Pikachu's trainer is by its side, constantly reassuring it. As the time for giving birth approaches, Pikachu becomes a bit nervous but also shows great determination. Finally, it gives birth to a cute little Pichu.
The plot could revolve around the build - up to the birth. There might be some pre - birth challenges like Sakura having to take a break from her ninja duties and Naruto having to take on more responsibilities in the village. Then comes the day of birth. Sakura goes into labor and the whole village is on edge. Naruto is right by her side, and they both experience the joys and pains of bringing a new life into the world.
Well, it could be about the challenges Bella faces during the birth, like the pain and fear. Maybe it also shows the support she gets from her family or friends around her.
Well, it could be that Yuki discovers during her pregnancy that she has a special connection to an ancient vampire bloodline that she didn't know about before. This connection might be passed on to her unborn child. And this newfound knowledge could put her and her baby in danger as other vampires may want to either protect or destroy them because of this special bloodline.
One idea could be that they face challenges in preparing for the baby. For example, Percy might be worried about how to keep the baby safe from all the mythological threats. Annabeth, on the other hand, could be focused on building a perfect nursery in a place that combines both their worlds, like a cabin in Camp Half - Blood that has modern comforts as well as ancient Greek charms. Another plot idea could be that they receive prophecies about the baby's future, which makes them both nervous and determined to protect the unborn child at all costs.
I'm not sure if there is a specific fanfiction with that exact plot. Fanfiction is a vast and diverse world, and while there could be some very creative and out - of - the - box ideas, this one might be a bit unusual. You could try searching on major fanfiction platforms like FanFiction.net or Archive of Our Own to see if it exists.
It could be a horror movie or the Alien series.