You can start by looking on fanfic websites like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, including Steven Universe which Peridot is from. Just use the search bar and type in 'peridot pregnant' and it should show relevant results.
One idea could be exploring how Peridot adjusts to the physical and emotional changes during pregnancy. Maybe she could be learning about Earth's ways of handling pregnancy with the help of her friends. For example, Steven could teach her about the importance of a balanced diet during pregnancy.
Some fanfictions might focus on the anticipation and excitement of new life. They could explore Peridot's dreams and hopes for the future with her unborn child, and how she prepares for motherhood. It could also involve her learning new things about herself and growing as a character during this pregnancy journey, which is often more than just the physical aspect but also an emotional and spiritual growth.
A 'corrupted peridot fanfic' is a piece of fan - made fiction that focuses on the character Peridot in a corrupted state. This could be in terms of her physical form, like she has been affected by some sort of dark magic or technology gone wrong. Or it could be her mental state, where she has been corrupted by negative thoughts or influences. Fanfic writers often explore these kinds of 'what - if' scenarios to add new and interesting twists to the existing character. They might take her known traits and turn them on their head, creating a very different version of Peridot for the readers to experience.
A peridot fanfic is a fan - created story that features the character Peridot. It could be about her adventures, her relationships with other characters in the same fictional universe, or her personal growth.
A 'Steven x Peridot fanfic' could explore an interesting relationship. It might focus on how their different personalities interact. Steven is known for his kindness and empathy, while Peridot has her own unique quirks. The fanfic could show them going on adventures together, with Steven helping Peridot understand more about Earth and its inhabitants, and Peridot in turn sharing her knowledge of Gem technology with Steven. It could also delve into their emotional bond, perhaps starting as friends and gradually developing into something more special.
In a 'Steven Universe' fanfiction with a pregnant Peridot, one theme could be the struggle between her old self and the new self she is becoming. Her previous way of thinking and acting might be challenged by the changes brought on by pregnancy. Another theme could be the exploration of different species' biology in the 'Steven Universe' world. Since Peridot is a unique character, how her pregnancy works and what it means for her species could be an interesting theme. Also, a theme of community could be present. How the community in the 'Steven Universe' reacts to Peridot's pregnancy, whether they are accepting or have reservations, can add depth to the story. This could also tie into themes of prejudice and acceptance within the community.
It's very likely that there exists 'Steven Universe' fanfiction where Peridot is pregnant. Fanfiction writers often take characters and put them in unexpected situations to explore different aspects of their personalities or to create new storylines. In the case of Peridot, her unique character traits could lead to interesting stories if she were in a pregnant state. For example, her initially prickly and logical nature might be contrasted with the more emotional and nurturing aspects that could come with pregnancy. This could make for some really engaging fan - created stories, but again, you'll need to search through fanfiction platforms to find them.
In fanfics, Peridot is often depicted as highly intelligent. She brings her tech - savvy knowledge from Homeworld and uses it in various situations on Earth. For example, she might use her understanding of Gem technology to fix something that the Crystal Gems are having trouble with.