Yes, there is. One example is 'The Unforeseen Union' which has a plotline where Sansa is pregnant. It explores how they deal with this unexpected situation in a world full of political intrigue and power struggles. The fanfic really dives deep into the characters' emotions and how they adapt to this new development.
There are many fanfics out there, but it's a matter of personal taste. Some might find 'A Different Path' by [author name] to be an interesting take on a Sansa Tyrion story where pregnancy could potentially be a plot point. It delves into their complex relationship and how such a situation might change their dynamics within the world of the story.
Chapter 145, "Killing, Bloody", is the clearest early answer because the violence around Killing, Bloody becomes final instead of hypothetical. The setup is These people don't intend to live, drawing them deeper into Redwood..., but the pressure keeps building through Thinking of the person from before, and looking at the four people in....
Chapter 139, "Resource Gap, Changes in the Camp [Three-in-One]", is the clearest early answer because it turns Snow Mane's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Leader, is it difficult to break through to the Cold Resistance... and follows through with Fortunately, Xia Chuan was now familiar with the camp's buildings'....
Chapter 181, "What Does Great Xia Want, Liu Dahu's Ambition", is the clearest early answer because it turns Cheng Guo's situation into a concrete plot event. The chapter turns that into something concrete by moving from The exchange meeting was still proceeding as normal, but unlike... to Xia Chuan's eyes slightly lit up, showing some appreciation for the....
Chapter 191, "Repelling the Enemy and Punishment, The 1st Wedding", is the clearest early answer because it turns Leader Xia Hong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Seven-maned Power, this Chen Yingyuan, is actually not even as good... and follows through with Meanwhile, Xia Hong on the rooftop, upon hearing Chen Yingba's....
Chapter 136, "He Yuanhun, Yuwen Hu, Yuwen Dao (Three in One)", is the clearest early answer because it turns Demon Sheep's situation into a concrete plot event. The setup is From the beginning, He Meng and his group's arrogant demeanor; Until..., but the pressure keeps building through Despite the hunting of the Demon Sheep just now, this group showed a....
Chapter 137, "Attempt to Breakthrough, Dispute [Trinity]", is the clearest early answer because Great Xia Camp finally turns buildup into a real advancement. The chapter turns that into something concrete by moving from The Bamboo Tower is about ten meters wide, divided into three levels,... to Afterwards, I offered half of the Cold Beast Blood, which he....
Chapter 80, "Outsmarting the Frost Wolf Pack", is the clearest early answer because it turns Frost Wolves's situation into a concrete plot event. A useful checkpoint is the way the scene starts with How did we end up encountering a pack of Bone Spur Frost Wolves? and follows through with Xia Hong and Luo Ming turned their heads, their faces instantly....
Chapter 115, "New Earth-digging Realm, Enhance Mining Efficiency [Three-in-One]", is the clearest early answer because Enhance Mining Efficiency finally turns buildup into a real advancement. It opens with Since contributions vary, the emergence of hierarchy and comparison... and closes on When he looked up, his flushed face was full of astonishment..
Chapter 127, "Breakthrough Ideas for Cold Resistance Level", is the clearest early answer because Yi Blade finally turns buildup into a real advancement. The chapter turns that into something concrete by moving from Tong Xinglong's explanation was rather redundant. to Underneath the sunlight, Xia Hong's finger wound slowly healed.. What makes it stick is that it turns Yi Blade's growth into a concrete upgrade step and sets up the next payoff in the power growth storyline linked to Tong Xinglong.
Chapter 118, "Poison Sac, Bow Making [2 in 1]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. It opens with This number, although large, is actually not unattainable. and closes on There should still be a bit more at the mine; I'll first mass-produce....