Yes, there are. However, the quality can vary greatly. Some focus more on the emotional aspect of them becoming parents, while others might get a bit too outlandish. It really depends on what you're looking for in a fanfiction. If you like a more realistic take, search for ones that deal with the challenges they'd face in Gotham while being expectant.
There are some out there. You can start by looking on fanfiction websites like Archive of Our Own. Some stories might explore how their relationship changes with the prospect of having a child, adding a new layer of depth to their dynamic.
There are indeed. In some of these fanfictions, the pregnancy can be a catalyst for various plot developments. For example, it could lead to a truce between Batman and some of his enemies who now see him in a different light. Or it could cause internal conflict within Batman himself as he struggles to balance his vigilante life with impending fatherhood, and Catwoman might also have her own set of insecurities and plans regarding the pregnancy.
The best chapter pointer here is Chapter 14, "She Looks So Cool Dancing with a Gun". It opens with Lin Manru had a rare good night's sleep. and closes on But clearly, Lin Manru was unable to accept that her delicate daughter had....
A practical answer is Chapter 9, because it turns the idea into a concrete scene. The chapter opens with Exactly, the Qiao Family isn't that great either., adds pressure through Since it was for the Jiang Family's welfare, then as the matriarch, she..., and ends on Qiao, unable to save face.
If you want the clearest chapter reference, go to Chapter 40. Early on, [Jiang Li claims she copied this herself?; later, the chapter leans on But her calligraphy is actually this pretty?] [Jiang Li dares to boast,....
The best chapter pointer here is Chapter 19, "I dare you to touch her!". It opens with What criminal law is this or that, this was originally none of your... and closes on Please give me Miss Su's birthdate." Mr..
Chapter 881, "How to Deal with Her Few Younger Brothers?", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. It opens with After settling Jiang Li in the car, Zhao Lang fetched the medical kit... and closes on It was Jiang Cheng in pajamas..
Chapter 805, "I Just Want to Eat a Big Chicken Leg!", is the clearest early answer because it turns Lin Manru's situation into a concrete plot event. It opens with The next day, the twins were much quieter. and closes on The shrimp was selected by a servant from the seafood market early in....
Chapter 726, "She Has Already Tried to Keep a Low Profile", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. It opens with Su Yinwan was using the money she had recently acquired to boost... and closes on After some thought, she took out her phone..
Chapter 836, "It's been a long time since I last saw Jin Siyue", is the clearest early answer because it turns Gu Qiang's situation into a concrete plot event. Early on, You!" Rong Junsheng seemed to have heard the commotion over here and....
Chapter 756, "Birthday Banquet", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. The chapter gives readers a real answer by opening on On the day of the birthday celebration, the Jiang Family got up early.
A practical answer is Chapter 37, because it turns the idea into a concrete scene. The chapter opens with The barrage was suddenly filled with hahas, but the two guests present..., adds pressure through The moment her gaze landed on her, she couldn't help but pause., and ends on I look forward to.