In this fanfiction, it could also be that Becca's pregnancy is a secret at first. She tries to hide it from the group because she's afraid of being kicked out or judged. As she struggles to keep it hidden, she starts to form a closer bond with another female character who suspects something and offers her support in a really touching way. Eventually, when the truth comes out, the group has to decide whether to keep her in the group or not, but in the end, they all realize that her talent and determination are more important than her pregnancy status.
Another possibility is that it could be one of the other male members of the acapella group. It would create a lot of drama within the group dynamic, with everyone having to deal with the unexpected situation and the potential changes it would bring to their relationships.
One idea could be a prequel focusing on how the Bellas formed in the first place. Maybe explore the early relationships between the members like Aubrey and Chloe.
Their friends would probably be really surprised at first. The Bellas might be a bit worried about Beca, especially if they think she's not fully ready for motherhood. But once they see how happy she is, they would come around and start helping out, like throwing a baby shower for her.
Well, it could be a really sweet story. Maybe they accidentally got pregnant and then had to deal with the challenges of their careers in the music world while also preparing for a baby. They might face some doubts from their friends at first, but in the end, everyone comes around to support them.
In this fanfic, it could be that Becca has some health issues that make the pregnancy high - risk. Jesse is by her side throughout, and they go through a rollercoaster of emotions. They meet new friends at prenatal classes who also become part of their support system, and together they navigate the journey towards parenthood.
Perhaps there's a parallel universe where the Twilight world and the Pitch Perfect world collide. In this universe, the characters from both stories start to swap abilities. The Bellas find themselves with vampire - like strength and speed, while the Cullens develop an uncanny ability to sing in perfect harmony. Bella and Fat Amy become friends and try to figure out how to get their respective worlds back to normal while also using their newfound combined skills to put on the best a cappella show ever.
A crossover with 'High School Musical' would also be cool. Picture the Pitch Perfect girls and guys going to the same school as the High School Musical characters. There could be a big musical showdown where the two groups have to combine their talents. The Pitch Perfect crew's edgy acapella style might clash and then blend with the more traditional musical theater style of High School Musical, leading to an amazing performance.
One plot idea could be that the Barden Bellas somehow get caught up in a supernatural hunt. Maybe they're performing at a haunted location and strange things start to happen. The girls then team up with the Winchesters to figure out what's going on and stop the evil entity.
One possible plot could be that the pregnancy is unexpected. The character might be in a relationship within the Pitch Perfect world and suddenly find out she's pregnant. This could cause a rift in the relationship at first as they both figure out what to do.
In a Pitch Perfect fanfic where a character becomes pregnant, there could be a lot of drama. Maybe the character has to balance her pregnancy with her singing career in the Barden Bellas. She might face challenges like dealing with morning sickness during rehearsals or having to adjust her performance style as her body changes.