They would become more united. Having a baby together would make them a family, and they would have a stronger bond as they face the challenges of raising a child. Their relationship would be more about teamwork, not just as superheroes but also as parents.
Love is a very common theme. Since their relationship is a central part of the stories, it often explores different aspects of love like first love, unrequited love, or love that overcomes obstacles.
The main events start with Mon - El landing on Earth. As he and Kara interact more, they fall for each other. When they encounter enemies that target both of them and the Earth, they fight together. Mon - El's attempts to fit into Earth society despite his Daxamite upbringing are significant events. His leaving, which is due to various reasons related to his home planet and his new - found sense of duty, is also a crucial event in their story.
Kara and Mon - El's story is quite complex. Mon - El is from Daxam. He arrives on Earth and has a relationship with Kara. They face many challenges together, including dealing with his Daxamite heritage and the prejudices against his people. Their relationship has its ups and downs, with moments of great love and also times of conflict as they try to navigate their different worlds and values.
There's a 'kara and mon el fanfiction' called 'Destined Hearts'. In this one, the story takes an interesting turn as it explores their relationship in the face of new threats in the city. It has a lot of action - packed scenes intertwined with their growing affection for each other. This fanfiction really keeps you on the edge of your seat.
One popular Kara and Mon - El pregnant fanfiction might be 'A New Beginning'. It focuses on how they navigate their relationship while expecting a child. It shows Kara's struggle between her superhero duties and impending motherhood in a really interesting way.
You can try Archive of Our Own (AO3). It has a vast collection of fanfictions, and there are likely to be many about Kara and Mon - El being pregnant. Just use the search function and type in the relevant keywords.
In the fanfiction, perhaps their baby has a unique power that neither Kara nor Mon - El have. This could lead to a plot where they have to search for answers about the origin of this power. They could meet other characters from their universe who might help or pose a threat to their family.
I'm not entirely sure specifically as it could vary greatly. But generally, a 'fanfiction' about Supergirl and Mon - El might explore a relationship that has elements of abuse in the context of the story created by the fan writer. It could be about power imbalances, emotional abuse, or other complex relationship dynamics within the framework of their characters as known from the Supergirl series.