It could be Toby. Given their relationship in the original series, it would be a likely candidate. Their on - again - off - again relationship could have led to an unplanned pregnancy.
One possible plot could be that Spencer discovers she's pregnant unexpectedly. She might initially be in shock and struggle to decide what to do. Maybe she tries to hide it from her friends at first because she's afraid of their reactions. Then as the story progresses, she could start to embrace the idea of motherhood and deal with the challenges that come with it, like telling her parents and preparing for the baby.
One interesting Spencer Hastings fanfiction could be one where she goes on a mystery - solving adventure outside of Rosewood. It might involve her using her intelligence to crack a code that has global implications. Another could be a story where she teams up with an unlikely character to expose a long - hidden secret in the town.
Another good one is 'Shared Secrets'. This fanfiction focuses on the idea of the reader and Spencer sharing secrets that no one else knows. It delves deep into their emotional connection and how they support each other through difficult times. The way the writer portrays their relationship growth is very believable.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fan - created stories, and you can easily search for Spencer Hastings fanfiction using the search bar. There are usually tags and filters that can help you narrow down your search to find exactly what you're looking for.
One common theme is mystery. Since Spencer is from Pretty Little Liars which is full of mystery, many fanfictions incorporate that element. The reader often gets involved in solving the mysteries alongside Spencer.
Ezra might also be a possibility. He could be involved in a complex relationship with Spencer where he has to deal with her pregnancy and all the emotions that come with it.
One idea could be that Spencer discovers she's pregnant and has to balance it with her academic and personal life. She might struggle to keep it a secret from her friends at first.
Ezra could be an interesting character to pair with her. He's a teacher, so there could be a mentor - mentee type of relationship that develops into something more. His mysterious past could also add an element of intrigue to the story.
One interesting fanfiction could be about Spencer's little sister getting involved in the mystery-solving adventures alongside the main characters. She might use her unique perspective and skills to help uncover secrets in Rosewood.