It would become more intense. Robin would likely become more protective of Starfire. Their relationship would shift from just being a couple to soon - being parents, which comes with a whole new level of responsibility and commitment.
Their relationship would likely become more serious. They would have to start thinking about the future in a more concrete way. There would be a new level of responsibility and commitment between them. They might have to cut back on some of their superhero activities to focus on the pregnancy.
Their relationship would likely become more intense. Shepard would feel a stronger sense of responsibility towards Tali and the unborn child. Tali would rely on Shepard more for emotional and physical support.
Their relationship would become more complex. They would now have the added bond of being parents. They would need to rely on each other more, not just as partners in fighting crime but also in raising a child. For instance, they would have to make joint decisions about the baby's upbringing, like what school to send it to in the future.
They would have to communicate more deeply. With a baby on the way, they can't just rely on their usual light - hearted banter. They would need to discuss things like where to live, how to raise the child, and what values to instill in it. This would strengthen their emotional bond as they face these new challenges together.
One possible plot could be that Robin and Starfire's relationship deepens over time. They might face challenges from their superhero duties and public scrutiny. The pregnancy could then add more complexity, like how they'll balance their lives as heroes and soon - to - be - parents. Maybe they'll have to deal with villains who try to take advantage of Starfire's condition.
After marriage, their relationship would likely become more stable. They would have a deeper sense of commitment to each other. Maybe they would start thinking about starting a family together, or at least plan for their future more seriously.
Their relationship would likely become more protective. Robin would be constantly worried about Regina and the baby, and would be more vigilant in keeping them safe. Regina, on the other hand, might become more vulnerable around Robin, showing a softer side as she's carrying their child.
If Chrysalis was pregnant in a fanfic, she could change in terms of her relationships. She may start to reach out to other characters, even those she previously considered enemies. For instance, she might approach Twilight Sparkle for advice on how to take care of a baby, since Twilight has experience with magic and friendship. This new - found need for help and connection could transform her from a solitary villain to a more complex character seeking support and understanding.
Their relationship would likely become more complex. Since Artemis is pregnant, Ares might become more protective of her, which is a change from their normal relationship. Before, they might have been more like acquaintances or even rivals in the pantheon. Now, they have a shared future in the form of the unborn child, so they would have to communicate and cooperate more.