She might develop a stronger sense of self - preservation. Since she has a life growing inside her, she'll do anything to protect it. This could lead to her learning new skills or forming new alliances. Also, she could become more patient as she has to deal with the physical and hormonal changes that come with pregnancy.
During the pregnancy, Bellamy could develop in many ways. She may find a new purpose in life. Instead of just focusing on survival, she now has to think about the future of her child. This could make her more forward - thinking. She might also become more in tune with her emotions. The pregnancy hormones could bring out feelings she's been suppressing. And she could grow closer to certain characters who support her during this time, while drifting away from those who don't.
The OC could also develop in terms of her powers. Maybe the pregnancy enhances or alters her powers in some way. This could lead to new story arcs where she has to learn to control these new aspects of her abilities while also dealing with the physical and emotional changes of pregnancy. For example, if she has telekinetic powers, the pregnancy might make them stronger but less stable at times.
She might become more empathetic. Mary has often been a bit reserved and proud, but pregnancy could soften her. She may start to see the world from a different perspective, especially when it comes to the lower - class servants who also have children or are mothers. This new - found empathy could change how she interacts with people in the household.
She could develop more patience. Pregnancy often requires waiting and dealing with discomfort, so she might become more understanding of others' situations.
She could develop more empathy. The experience of carrying a new life might make her more sensitive to the plights of others in the RWBY world.
She could become more assertive. Since she is going to be a mother, she might start standing up for herself and her unborn child more in her relationship with Christian.
She might become more empathetic. Pregnancy can bring out different emotions, and Abby could start to understand others' situations better. For example, she might be more patient with victims in cases.
Their relationship could grow stronger. As they experience the pregnancy together, they might become more understanding of each other. For example, Luke could become more protective of Katie, and Katie could rely on Luke more, which deepens their bond.
Naruto could develop more patience and a deeper sense of responsibility. He's used to being impulsive, but with a pregnant Emi, he has to think before he acts. Emi might become more confident in herself and her relationship with Naruto. She realizes that they are in this together and starts to stand up for herself more.
During the pregnancy, their relationship may develop in a more domestic way. They start to plan for the future, like setting up a nursery. Oliver might learn more about Kara's Kryptonian heritage to understand how the pregnancy might be different. This new knowledge and shared experiences can bring them closer together. They also have to deal with the stress of being superheroes and expecting parents, which could either strain or strengthen their relationship depending on how they handle it.
Their relationship could become stronger as they share the experience of expecting a child. They'll have to rely on each other more, like Seth helping Bella with her daily tasks when she's feeling tired or unwell.