There's a fanfiction where Bella becomes Jeremy's mentor of sorts. This story delves into how Bella, with her knowledge of the supernatural from her own past, helps Jeremy better understand the vampires and other creatures in Mystic Falls. It's really cool as it combines elements from both universes in a unique way.
You can try Archive of Our Own (AO3). It has a large collection of fanfictions, and you can easily search for Bella and Jeremy Gilbert ones. Just type in their names in the search bar, and a bunch of relevant stories will pop up.
The exploration of Jeremy's character in new situations that might not be covered in the original show. In fanfiction, a female character could introduce him to new aspects of the supernatural world or human relationships. It can add depth to his character and show different sides of him that we may not have seen before. Also, the way female characters interact with Jeremy can create new and exciting storylines.
Perhaps a plot where Jeremy uses his new vampire powers to protect Mystic Falls. He becomes a sort of vampire - hero. He could use his enhanced speed and strength to fight off other supernatural threats that the town faces, all while trying to come to terms with the fact that he's no longer human.
Maybe there's a plot where Klaus is cursed, and the only way to break it is through Jeremy's unique connection to the supernatural world. As they work together to break the curse, they start to understand each other's motives and past traumas. Their relationship deepens from initial distrust to a grudging respect and eventually something more romantic as they face various challenges and enemies along the way.
One common theme could be the challenges of unexpected pregnancy. Jeremy Gilbert might face difficulties in dealing with the news, both emotionally and practically. Another theme could be the reactions of the people around him, like friends and family, and how they support or oppose the situation.
A prevalent theme is passion and desire. Given it's lemon fanfiction, the exploration of Jeremy's intense desires and the passion in his relationships is often central. Also, there's the theme of power dynamics. Sometimes, the relationships he's in involve power struggles, whether it's because of different supernatural abilities or social standings within the Mystic Falls community. These power dynamics add an extra layer of complexity to the stories.
Love and romance are also quite common. She might fall in love with a different character or have a complicated love triangle. Additionally, themes of power and strength are often explored. How fem Jeremy gains power, whether it's physical, magical or mental, and how she uses it to face challenges.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are often a lot of stories dedicated to Jeremy Gilbert, and you can filter for those written from a female perspective. Another option is FanFiction.net, which also has a large collection of 'The Vampire Diaries' fanfics where Jeremy is a character.
One popular plotline could be Jeremy's struggle to control his newfound vampire powers. For example, he might have a hard time adjusting to his enhanced strength and speed, leading to some accidental chaos. Another could be his relationships with other vampires. Maybe he forms an unlikely alliance with an older, more experienced vampire who teaches him the ropes of the vampire world. And a third plotline might involve Jeremy trying to keep his vampire identity a secret from his friends and family, while still trying to protect them from the dangers of the vampire underworld.
I'm sorry, I don't have specific 'jeremy gilbert pregnant fanfiction' stories to recommend directly. You can try searching on fanfiction websites like Archive of Our Own or FanFiction.net. They usually have a wide variety of fan - created stories based on different themes, including this one.