You can try searching on fanfiction platforms like Archive of Our Own (AO3). There are often a lot of Hetalia - related fanfics there. Just use the search terms 'Hetalia England pregnant' and it might show you relevant stories.
One common theme is the reactions of the other characters. For example, how the other nations in Hetalia react to England being pregnant, whether it's shock, excitement or concern.
One possible scenario in such a fanfic could be that America and England's marriage is a way to strengthen their political alliance in the Hetalia world. They might initially struggle with their different personalities, like America's brashness and England's reserved nature, but over time they learn to understand and complement each other.
One common theme is cultural clash. Since America and England have different cultures, it's often explored how they deal with each other's traditions in a domestic setting. For instance, holidays and food preferences.
There are various sub - genres within Hetalia England x Reader fanfiction. Some might be more focused on adventure, where the reader and England go on an exciting journey together. Others could be comedic, highlighting the humorous side of England's personality and how it interacts with the reader. There are also those that are more romantic and slow - burn, gradually building the relationship between the two. The beauty of these fanfictions is that they can appeal to a wide range of readers depending on their interests.
One popular theme is cultural exchange. Since England has a rich and unique culture, the fanfictions often explore how the reader, who may be from a different background, interacts with England's traditions such as afternoon tea, cricket, and his love for literature. Another theme is historical references. England has a long and eventful history, and writers like to incorporate elements like the Industrial Revolution or the Tudor period into the story, with the reader being involved in some way.
Another theme is his sense of national identity. Sometimes, when other nations don't respect or understand his traditions and values, England snaps. This is seen in some fanfictions where new, modern - minded nations make fun of his old - fashioned ways. It shows how important his national identity is to him.
One common theme is historical re - interpretations. Since Hetalia has a basis in history, many fanfictions use the female England character to explore different historical events from a new perspective. For example, how she might have influenced or been affected by events like the Industrial Revolution.
Another idea is that it could be a deep exploration of their relationship. The pregnancy could be a metaphor for a new level of closeness and cooperation between them. It could start with an accidental situation that forces them to re - evaluate their feelings for each other. As the 'pregnancy' progresses, they learn more about themselves and each other, leading to a transformation in their relationship.
Cultural differences can also be a theme. Since Hetalia is based on different countries, the characters may bring in their cultural ways of handling pregnancy. For instance, a character representing a more family - oriented culture might be more involved in traditional pre - birth rituals. And family dynamics is also a theme. How the new baby will change the existing relationships among the characters and the reader.