Let's say Barry is a scientist. Flash is his latest invention. Nora, his daughter, is very curious about Flash. Barry decides to let Nora help him with some simple experiments involving Flash. As they work together, Nora learns a lot about science from her dad. They face some setbacks during the experiments, but they never give up. In the end, they succeed, and it becomes a great memory for both father and daughter.
Barry may face the challenge of controlling the baby's speed powers. Since the baby is a speedster, it might accidentally use its powers in a dangerous way, like running into walls or causing chaos in the city. Also, he has to figure out how to feed and take care of a super - powered infant, which is no easy feat as normal baby - care methods may not work.
I'm not sure if there is specifically a 'Barry impregnates Nora' fanfic available. Fanfic availability can vary greatly depending on the fandom and the platforms where fanfics are hosted. You could try searching on popular fanfic websites like Archive of Our Own or FanFiction.net.
In a family - friendly story, Barry can be the Flash and also a dad to Nora. As a father, he can pass on his knowledge about being a speedster to his daughter. They could have a relationship where Nora looks up to her dad and wants to follow in his heroic footsteps. The dad - daughter dynamic can be shown through their training sessions and how Barry encourages Nora to use her powers responsibly.
Well, it could be a story where Flash (Barry) has to protect his daughter Nora from some sort of danger. Maybe Dad, who could be Barry in his role as a father, has to teach Nora some valuable lessons about using her speedster powers for good. They could go on an adventure together to stop a villain who is threatening their city.
Maybe in the fanfiction, Flash discovers Peter's identity in a very unexpected way, such as seeing Peter's Spider - Man suit by accident. He then has to decide whether to keep the secret or not. He might struggle with his own jealousy towards Peter and the newfound knowledge. If he decides to keep it a secret, it could lead to an unlikely friendship between them, with Flash helping Peter in small ways without Peter knowing it's him.
The survival of their friendship is uncertain. Oliver has a lot of pride and Barry is his friend. Finding out about the kiss could shatter Oliver's view of Barry. However, if they both value their friendship more than their feelings for Felicity, they could work through it. They might have to go through a period of awkwardness and rebuilding trust, but it's possible for their friendship to survive.
A family - centered story could be about Flash (maybe a family nickname) and Barry being father and son. Nora could be Barry's mother or sister. They could have adventures together, like going on a camping trip where Dad (Barry) teaches his daughter (Nora) how to fish and they share stories around the campfire.