I'm not sure of specific 'Pearl x Amethyst Gemlings' fanfics off the top of my head. But you could also check out Archive of Our Own (AO3). It has a large collection of fan works. Use relevant tags to narrow down your search for the ones related to this pairing and the gemlings.
Friendship and family are also likely themes. In the Steven Universe world, relationships are important. The fanfics might show how the relationships between Pearl, Amethyst, and their gemlings form a sort of family unit or a strong friendship bond, dealing with the joys and challenges that come with it.
Finding the perfect 'Steven x Pearl' fanfic can be a bit of a journey. One way to approach it is to join Steven Universe fan communities. People in these communities often share and recommend their favorite fanfics. There might be fanfics that take a creative spin on their relationship, like imagining them in alternate universes or in situations that didn't occur in the original show. By interacting with other fans, you're more likely to discover some really interesting fanfics that focus on Steven and Pearl's relationship.
Some fanfic platforms like Archive of Our Own (AO3) might have great Pearl x Amethyst fanfics. These fics can range from exploring their friendship in more depth to creating alternate universes where their relationship takes on different dynamics. You should explore the tags related to the characters on AO3 to narrow down your search.
One popular 'Steven Universe Greg x Pearl fanfic' is 'Pearl's New Perspective'. It delves into how Pearl starts to see Greg in a different light after a series of events on Earth. It has some really interesting character interactions and explores their relationship in a new way.
There might be such a fanfic. The 'Steven Universe' fandom is quite large and creative. However, it's also possible that it doesn't exist. You could try searching on popular fanfic websites like Archive of Our Own or FanFiction.net to see if there's a story with this concept.
One popular 'Steven Universe Baby Amethyst' fanfiction might be 'Amethyst's Early Days'. It delves into her experiences as a baby gem on Earth. Another could be 'Baby Amethyst and the Crystal Gems', which focuses on how the other Crystal Gems took care of her. There are also fanfictions that explore her relationship with Steven during her baby gem phase.
Adventure is also a common theme. They go on different quests or face various threats together. This could be something like exploring an ancient gem ruin on Earth or fighting off a new enemy. The theme of acceptance is important too. Accepting each other's flaws and differences. Amethyst accepting Steven's sometimes naive view of the world, and Steven accepting Amethyst's wilder side.
There's a fanfic called 'Amethyst and Steven's Bond'. In this story, it delves deep into their friendship. It shows how they support each other through tough times in the Gem society, like when dealing with the new rules set by the Diamonds. It also has some really heart - warming moments between them.
One possible theme could be discovery. As I said before, if the lemon is some sort of new or magical object, the characters are on a journey of discovery about it. Another theme could be acceptance. If 'lemon' is a new character or concept, the other characters have to learn to accept it. For example, Amethyst might be more open - minded while others like Garnet or Pearl might be more skeptical at first.
A 'Steven Universe Amethyst Pregnant' fanfic could be a story that delves into the origin of the pregnancy. Is it some sort of magical or scientific anomaly? How does Amethyst feel about becoming a mother? She has always been the more carefree and fun - loving gem among the Crystal Gems. This new situation could force her to grow up in a way. It could also touch on the theme of family and what it means to create a new life within the context of the unique world of 'Steven Universe', exploring how the different species and cultures in the show interact with this unexpected event.