Perhaps she gets pregnant during a time when the Glee club is about to go on a big tour. This creates a huge conflict as she has to decide whether to go on the tour or stay home and take care of herself. The other members of the club could be divided in their opinions on what she should do. And she could meet other pregnant women in the performing arts world who give her advice on how to manage both pregnancy and her career.
A possible plot is that the pregnancy is a surprise to everyone in the Glee club. Her friends rally around her, some being overly protective while others give her tough love. Rachel could also struggle with the idea of motherhood because she's always been so focused on her own stardom. She might start writing songs about her pregnancy experience, which then become a big hit within the Glee club and even outside.
One idea could be that they struggle with how to balance their dreams and the new baby. For example, Rachel might be worried about her Broadway career being put on hold. Another could be that they face judgment from their friends in Glee club. Maybe some think they are too young or not ready. And a third plot idea could be that they discover some family secrets during the pregnancy that add more drama to the story.
One possible fanfiction could be about how Rachel deals with her pregnancy while still trying to pursue her dreams in the Glee club. Maybe she has to balance rehearsals and performances with doctor appointments and the physical changes she's going through.
One idea could be exploring how Rachel deals with the physical and emotional changes during pregnancy. Maybe she has to balance her work or studies while carrying the baby. Another could be the reactions of her friends and family, like some being overly excited and others being more cautious.
One plot idea could be that Rachel and Puck initially panic when they find out about the pregnancy. They might struggle to tell their friends and family, especially considering their different personalities and backgrounds in the Glee club. Maybe they decide to keep it a secret at first, but as the pregnancy progresses, it becomes harder to hide.
Perhaps they were separated at birth due to some family feud or difficult circumstances. In the fanfiction, as they start to realize they are twins, they face opposition from some of their friends or family members who are not happy about this newfound relationship. However, they persevere and use their musical talents to bring the two sides together.
One idea could be that they initially struggle with the news but then find support in their friends. They might face challenges like how to balance their dreams and the upcoming baby. For example, Rachel may worry about her Broadway dreams, and Puck might think about his future with the baby while still dealing with his 'bad boy' image.
One plot idea could be that Joey and Rachel initially panic when they find out about the pregnancy. They might struggle with how to tell their friends, especially Ross. Another could be that they decide to raise the baby together in a really unconventional way, like living in Joey's apartment and trying to combine their very different lifestyles. And perhaps they start to discover new sides of each other during the pregnancy journey.
Maybe in the fanfiction, Rachel and Sam are in a secret relationship when they find out about the pregnancy. They then have to decide whether to go public or keep it a secret for a while longer. This could lead to a lot of drama as they try to hide it from their friends who might not approve. Another aspect could be their journey to prenatal classes, where they meet other expecting couples and learn more about pregnancy and childbirth.
One plot idea could be Rachel's pregnancy journey being full of comical misunderstandings. For example, the friends might misinterpret her pregnancy cravings as a new fad diet. Another could be that she has a difficult pregnancy and the friends rally around her in different ways, like Joey trying to cheer her up with his bad acting stories. And a third idea is that she discovers something unexpected about the baby's father during the pregnancy, which adds a layer of drama.
Perhaps in the fanfiction, their friends from Glee club react in different ways. Some might be super supportive, like Mercedes who could offer to throw a baby shower. Others, like Santana, might be a bit more skeptical at first but then warm up to the idea. And they could all come together to help Rachel and Sam through the pregnancy, like with prenatal classes or helping to decorate the nursery.