A kind - hearted doctor or healer in the fanfic's world. They would have the skills and resources to diagnose and treat her. This could be a character specifically created for this purpose, or an existing character with a medical background.
Her friends could be the first to come to her aid. They might have some basic medical knowledge or just be there to support her until proper medical help arrives.
Sakura would be a likely candidate. She's a skilled medical ninja. She has been trained in the art of healing and has a lot of experience treating injured ninjas. So, she would be one of the first to step up and help Naruto.
Perhaps he was poisoned during a mission. There are many villains in the Naruto universe who use poison. If Naruto was exposed to it, it would surely require medical attention. Also, overusing his chakra could have led to a dangerous depletion of his energy, which might need medical treatment to recover from.
There could be a close friend of Bella's, like Alice. Alice might be someone who starts to suspect that something is wrong with Bella but Bella keeps pushing her away. Another character could be the abuser, who could be someone in a position of power over Bella, such as her boss at work or a teacher if it's set in a school - like scenario.
Maybe she got injured during an adventure, like a fall while climbing a cliff in the fictional world. This would be a common reason for her to need medical attention.
Edward might be a bit disappointed as he values responsibility. But he would also offer to help immediately because he cares about Bella. He might say something like 'Let me take care of this, Bella. You don't need to worry.'
Her friends like Spencer, Hanna, and Emily would likely be there for her. They've been through a lot together in PLL, so they'd probably offer support and understanding.
You can try searching on some popular fanfic websites like Archive of Our Own (AO3). It has a vast collection of fanfictions, and you might be able to find 'bella needs rosalie' fanfic there.
It could be written by a writer who is into baby - themed or character - in - a - different - state - of - being stories. They might see Bella as an interesting character to experiment with this diaper - wearing concept, perhaps to add a touch of humor or a new perspective to the character.
It could be the school nurse, Madam Pomfrey. She's very experienced in dealing with all kinds of magical injuries and ailments that students get at Hogwarts.
A 'fanfic' (fan fiction) is a story written by fans based on existing characters or universes. However, a 'bella needs sex fanfic' sounds inappropriate as it may involve vulgar and non - family - friendly content. We should focus on positive, healthy and respectful fan - created works that promote good values and creativity.