I'm not sure specifically which 'The Selection America' pregnant fanfiction stories are out there. You could try searching on fanfiction websites like Archive of Our Own or FanFiction.net. There might be a wide variety of such stories written by fans who are interested in exploring different scenarios within the 'The Selection America' universe.
Well, I haven't read all the 'The Selection America' fanfiction, but usually, to find pregnant fanfiction related to it, you should first understand the main themes and characters of 'The Selection America'. Then, when you search on relevant platforms, look for tags like 'pregnancy' along with the title of the work. Maybe some of the stories will focus on a character getting pregnant during the selection process and how that changes the dynamics of the story.
Finding 'The Selection America' pregnant fanfiction can be a bit of a hunt. First, consider the popularity of the original work. Since it has a fan base, there are likely some who have written such fanfiction. You could also join some 'The Selection America' fan groups on social media platforms. Ask the members if they know of any good pregnant fanfiction. This way, you might get some personal recommendations from people who are really into the series and its fan - created content.
Chapter 338, "Rapid Progress, Martial Arts Skills, Dual Advance Eastward, Dormancy Period", is the clearest early answer because Xia Hong finally turns buildup into a real advancement. Early on, Lu Yang poured out everything he knew in one breath.. By the end, If we continue exploring east along the Xing River North Bank,....
Chapter 386, "New "Game" Mode", is the clearest early answer because it turns Du Sang's situation into a concrete plot event. Early on, Seeing Shang Shaojing's somewhat pale face, Su Yinwan's heart felt a.... By the end, After a long time, he finally spoke..
Chapter 339, "The Changes of Li Hu and Yang Zhong, the Hou Family's Opportunity, Advice (Part 5)", is the clearest early answer because it turns Hou Jing's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The Lingbei, Longshan, and Beehive factions in Xia City have long... and follows through with Tonight's aged wine is on me!" "Generous!" "Yang Zi is quite....
Chapter 84, "Is it Just About Having Hands?", is the clearest early answer because it turns Princess Wen's situation into a concrete plot event. The chapter turns that into something concrete by moving from When the villagers tasted his curry beef one by one, their faces...
Chapter 14, "She Looks So Cool Dancing with a Gun", is the clearest early answer because it turns Gun Lin Manru's situation into a concrete plot event.
Chapter 1, "I'm Not Interested in Uncultured Men", is the clearest early answer because it turns Xiang Hao's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li, I'm warning you, don't set your sights on Yinwan anymore,...
Chapter 340, "Seclusion, Growing Yu Generation, Family Banquet, Rapid Development", is the clearest early answer because it turns Star's situation into a concrete plot event. It opens with But unexpectedly, at this very moment, the solemn and sacred... and closes on The last time Nong Ying carried the Second Prince, she wasn't paying....
Chapter 348, "Zhu Ling in Dire Straits, Eight Camps Martial Contest, Betting Five Years—East Ridge Has Fallen!", is the clearest early answer because it turns Lu Yang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with When the Cold Resistance Level observes the Earth-digging Realm, it... and follows through with This time, East Ridge was definitely doomed!.
Chapter 277, "Jiang Yan Really Has a Youthful Vibe", is the clearest early answer because it turns Has's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After reviewing that document, Zhao Lang's brows knitted together...
Chapter 29, "The 36 Strategies - Sneak through Chen Cang", is the clearest early answer because it turns Grand Historian's situation into a concrete plot event. Early on, Big brother, it's me..." The shadow suddenly spoke and it was Jiang....