It's difficult to say whether there are popular 'pregnant scootaloo fanfic'. There could be some hidden gems within the fan community that deal with this concept. However, since it's a very specific idea, it may not have a large following in general. Some smaller, more dedicated fan groups might have created and shared such fanfics, but it's not something that would typically be on the top of the popularity charts for fan - created works.
There may or may not be popular 'pregnant scootaloo fanfic'. The popularity of such a fanfic would depend on various factors. First, the popularity of the original work that Scootaloo is from. Second, the acceptance of the fan community towards this rather unusual plot. Third, how well the fanfic is written in terms of storytelling, character development, etc. It's possible that in a small corner of the fandom, there are some well - received 'pregnant scootaloo fanfic', but on a larger scale, it's not likely to be a widely known and popular type of fanfic.
Chapter 861, "Add the Link!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with At exactly ten in the morning, Jiang Li started her live stream. and closes on Changqing curiously leaned over for a look, and his ears instantly....
Chapter 789, "Son Toad", is the clearest early answer because it turns Father Shang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Shang Shaojing had given her an envelope containing a piece of paper...
Chapter 731, "Ye Chu Died", is the clearest early answer because it turns Dean Liu's situation into a concrete plot event. The setup is Dean, can I really not do it?, but the pressure keeps building through I've taken care of Aunt Xu before, why can't I see her again?" Dean....
The best chapter pointer here is Chapter 25, "He's Actually Mr. Shen's Son?!". It opens with Therefore, from his childhood, Jiang Shixu had felt an extreme aversion to... and closes on Having worked beside Shen Lan for over a decade, she had been there when....
Chapter 793, "Back After Many Years, with a Son", is the clearest early answer because it turns Dad's situation into a concrete plot event. The chapter turns that into something concrete by moving from [????] [?????????] [??????????] With Jiang Mingyu's voice coming...
Chapter 719, "Borrowing Their Luck", is the clearest early answer because it turns Miss Jiang Lijiang's situation into a concrete plot event. It opens with Chang Rong: "Hmph, it has nothing to do with me anyway, since no one...
Chapter 851, "Peace Charm", is the clearest early answer because it turns Is's situation into a concrete plot event.
Chapter 562, "So You Are Not First, But Last?!", is the clearest early answer because it turns Guo Xing's situation into a concrete plot event. It opens with After they finished preparing the fish, Guo Xing and Luo Xuan got... and closes on Seeing this, the other three also began to taste it..
Chapter 701, "Let Bai Lu and Chen'an Terminate the Contract", is the clearest early answer because it turns Let Bai Lu's situation into a concrete plot event.
Chapter 722, "It's Time to Tell Him the Truth", is the clearest early answer because the hidden truth stops feeling like mere subtext.