Nancy would likely become more protective. She's always been brave in facing the Upside Down's terrors, but now she has someone else to think about. Her maternal instincts would kick in, and she might be more cautious in dangerous situations.
She could become more isolated. Worried about the judgment of others and the safety of her unborn child, she might distance herself from some of her friends. This would be a big change from her usually social and investigative self.
She would become more determined. Knowing she has a child on the way, she would be more resolute in making a life for herself away from the constraints of her old life. For example, she might be more assertive in finding a job or a place to live.
Caroline's pregnancy could make her more assertive. She has to think about the future of her child, so she would be more determined to fight for what she believes is right for them. For instance, she might demand better protection for the supernatural community if she thinks it will benefit her child in the long run.
Bonnie would become more protective. Since she's pregnant, she'd be constantly worried about the safety of the unborn child. This would make her more cautious in her actions and interactions with the other characters. For example, she might be less likely to engage in dangerous magic without thinking about the potential harm to the baby.
Kushina's pregnancy could also lead to new relationships. Maybe she meets other pregnant women in the village and they form a sort of support group. This could be a new aspect of her social life. And with the medical ninja taking care of her, she could develop a closer relationship with them, learning more about the medical side of pregnancy and childbirth in the ninja world.
It would change their relationships with others. Their friends might treat them differently, some becoming more distant and others getting closer to support them. Their families' dynamics would also shift. Romeo's parents might have different expectations for him now that he's going to be a father.
Sookie's pregnancy would likely make her more cautious. In the True Blood series, she's been rather fearless, but with a baby on the way, she'd have to think twice before getting involved in dangerous situations. For example, she might not be so quick to jump into a fight between vampires or werewolves. She'd also become more nurturing, which is a big change from her more independent and sometimes stubborn self. Her focus would shift from just surviving in the supernatural world to creating a safe environment for her child.
Her relationship with her parents would likely become more protective. They would be worried about her and the baby's safety. With her friends, they might be more helpful and supportive, perhaps taking on more of her duties so she can rest. And if there is a love interest, he would be even more attentive, constantly by her side to make sure she is okay.
Maddie's pregnancy could make her more responsible. She'd have to think about someone other than herself now, so she might become more cautious in her actions and decisions. For instance, she may stop taking unnecessary risks in her career or personal life.
The pregnancy can transform Hayley into a more nurturing figure. She'll start thinking about the future in terms of her child. This could mean she becomes more involved in community - building or trying to create a better world for her baby to be born into. She might also develop a stronger sense of motherly instincts, which could be both a strength and a vulnerability as she navigates the complex and often dangerous world of 'The Originals'.
Santana could become more responsible. Knowing she has a life depending on her, she'll have to step up. This could mean being more organized in her life, from her finances to her daily schedule.