Perhaps the pregnancy causes Angelina to discover new magical abilities within herself. As she is carrying new life, she starts to have prophetic dreams about the future of the wizarding world. This could lead her on a journey to find out more about these dreams and how they might be related to her unborn child.
One plot idea could be that Harry and Angelina team up for a special Quidditch training session for the younger students. They discover a new flying technique together that gives Gryffindor an edge in future matches. Another could be that they go on a secret mission within Hogwarts to uncover a hidden artifact that has been causing strange magical disturbances. And a third idea is that Angelina gets injured during a match and Harry uses some of his unique magical skills, learned from his various adventures, to help her recover faster than normal.
One plot idea could be that it's a magical mishap. Maybe a spell gone wrong during an experiment causes Harry to become pregnant. Another could be a prophecy related to a new kind of magic that can only be carried out through his pregnancy. It could also be a situation where a powerful dark magic is trying to use Harry's unborn child for some evil purpose.
One possible plot idea could be exploring how Lily and James Potter prepared for Harry's arrival. Maybe they were trying to make their home more secure against the growing threat of Voldemort. They could be gathering magical artifacts or learning new spells to protect their unborn child.
One plot idea could be that Daphne Greengrass discovers she's pregnant during a time of great unrest in the wizarding world. Maybe she has to hide her pregnancy from certain dark forces who would use it against her or her family. She could seek refuge with some of the more neutral or light - sided characters from the Harry Potter series.
One plot idea could be them preparing for the baby in a magically enhanced nursery. They could use spells to create moving murals on the walls, like scenes from Hogwarts. Another could be Ginny having some premonitions about the baby's future magical abilities through her family's seer heritage.
Another idea is that Luna has some unique premonitions during her pregnancy related to the future of the wizarding world. It could be that their unborn child is somehow connected to a new magical discovery or a coming event. Harry would be both excited and a bit scared as he wants to protect his family but also knows they have a role to play in the bigger picture.
A great plot could be them traveling around the wizarding world to find the perfect place to raise their child. They could visit different magical communities and encounter various magical creatures and traditions along the way. This would not only show their love for each other and their future family but also give readers a chance to explore more of the wizarding world.
Another idea is that Meghan discovers she has some unique pregnancy - related powers in this fictional world. For example, she can communicate with animals and they help protect her and the unborn baby. It could add a magical and fun element to the story.
A possible plot is that they discover some magical property related to the baby during the pregnancy. For example, the baby might have a special connection to an ancient magic that no one has seen before. This could lead them on an adventure to find out more about it and also protect the unborn child from those who might want to use this power for evil. Also, they could struggle with how to balance their normal wizarding lives, like Harry's Auror training or Daphne's family obligations, with the upcoming parenthood.
One plot idea could be Harry struggling to fit in at first in Slytherin because of the house's reputation for dark magic, but then he discovers the true values of loyalty and cunning within it. He could form an unlikely friendship with a pure - blood Slytherin who helps him see that not all in Slytherin are bad. Another idea is that Harry uses his newfound Slytherin traits to outwit Voldemort in a different way than in the original story, perhaps by using more stealth and manipulation.