Yes, there are. In some fanfictions, Sam and Freddie successfully have their baby and their relationship becomes stronger. They overcome all the obstacles like family disapproval and financial problems, and end up as a happy family.
Their friends could also be antagonists in a sense. For example, if there's a friend who has always had a crush on Freddie and is jealous of Sam. This friend could spread rumors about Sam being a bad influence or try to convince Freddie that he's making a huge mistake by staying with Sam and having a baby. Another scenario could be that their friends don't take the situation seriously and keep pressuring them to act like they used to, which makes it hard for Freddie and Sam to focus on the pregnancy.
Some fanfictions focus on the medical aspects of Sam and Freddie's pregnancy. For example, Sam has some complications during the pregnancy, and Freddie is by her side throughout. This type of fanfiction delves into their emotions during a difficult time, and how they rely on each other for support.
One common theme is the anticipation and excitement of starting a family. It could explore how Sam and Freddie deal with the news of the pregnancy, like their initial reactions.
Another option is to check out Wattpad. It has a large collection of fanfictions. However, keep in mind that the quality can vary widely. When you search for 'Sam Freddie pregnant' on Wattpad, you may need to sift through a number of results to find the ones that are really well - written and match what you're looking for.
One idea could be that Freddie and Sam are in a secret relationship and the pregnancy is a complete shock to them. They then have to figure out how to tell their friends and family without ruining their reputations at school.
One idea could be that they face challenges in their new married life while preparing for the baby. For example, they might struggle with financial issues as they get ready for the new addition to the family. Another plot could be that they have different ideas about how to raise the child, like Sam being more laid - back and Freddie being overly cautious.
Fanfiction about Sam and Freddie from iCarly often explores their relationship in different ways. Some might focus on their chemistry that was hinted at in the show. It could be about how they might get together in an alternate universe or how their relationship could develop over time.
Friendship is a very common theme. Most fanfictions explore the deep bond between Freddie and Sam, how they are always there for each other. Another common theme is adventure. They often go on different adventures together in the fanfictions.