Well, perhaps they would go into hiding to protect the unborn child from those who would do them harm. After all, Dracula has many enemies, and a child of his would be a prime target.
One possible scenario in this fanfiction could be that Dracula, being a powerful and mysterious figure, has a complex relationship with Anna. Their pregnancy might bring out a whole new side of Dracula, perhaps a more protective and less menacing side as he anticipates the birth of his child with Anna.
One possible plot could be that Dracula is initially shocked but then becomes protective. He might use his powers to ensure Mina's safety during the pregnancy. Maybe he tries to find a way for their child to be accepted in both the human and vampire worlds.
In this fanfiction, perhaps it's a story of Anna's pregnancy being a symbol of new hope for Arendelle. She might be going through different emotions like joy and fear at the same time. And it could involve the magical elements of Frozen, like the spirits being involved in some way to protect the unborn child.
They could be the ones to lead the Bellas into a new era of music. Since both characters have their own strengths, they might combine their musical knowledge and skills. Anna could be good at vocal arrangements, and Sorensen might be excellent at finding new and trendy beats. Together, they create a whole new sound for the Bellas that makes them stand out even more in the Pitch Perfect 2 universe.
In this fanfiction, perhaps Tarzan is lost in the forest near Arendelle. Elsa and Anna, out on an adventure, stumble upon him. Tarzan, being used to the jungle, could show Elsa and Anna how to move stealthily through the trees. Elsa might use her powers to create an ice bridge over a river they encounter, impressing Tarzan with her magic.
Well, in the fanfiction, Cinderella could find support from unexpected places. For example, the servants in the castle who she befriended could rally around her during her pregnancy. She might also discover new powers or abilities within herself as she goes through this life - changing event. The prince could become more protective and loving, and together they could start making plans for their future family, like preparing a nursery in the castle and thinking about how to raise their child in a world full of magic and mystery.
One possible plot could be that Anna discovers she's pregnant and she and Kristoff are overjoyed. But then they face challenges like how to keep Anna safe during her pregnancy in the sometimes - dangerous world of Arendelle. They might also worry about how to raise the child with all the responsibilities of ruling the kingdom.
Well, it could be about how Anna deals with the unexpected pregnancy. Maybe she has to face the reactions of her family and friends, and there could be a lot of drama and emotional turmoil.
One possible plot could be that Vlad and Erin face many challenges as they prepare for the baby. Maybe they have to deal with the reactions of their families and friends. Some might be supportive, while others could be against it because of their young age or their vampire - human relationship.
She might be taken care of by Elsa. Elsa would use her powers to cool Anna down if she has a fever, and bring her some ice - made treats to cheer her up.