Yes, there might be such fanfictions in the vast world of fan-created content. However, this concept is quite non - canonical and often a product of creative and sometimes out - of - the - box thinking of fans. It may not be in line with the original spirit of the Yugioh series.
One common plotline could be Yugi dealing with the unexpected pregnancy and the reactions of his friends and family. Another might be the challenges he faces during the pregnancy, like health concerns.
One common theme could be the relationship changes. For example, how Yugi and the other characters around the pregnant female adjust to the new situation. Another theme might be the anticipation and excitement about the new life coming. It could also involve some challenges they face during the pregnancy, like protecting the pregnant female from any threats in the Yugi - related world.
Another option could be a mysterious figure. For example, a character from another dimension or a new character introduced specifically for this plot twist. This could add an element of mystery and intrigue to the story.
I'm not sure of specific pregnant Yugi fanfictions offhand. But you could try searching on fanfiction platforms like FanFiction.net or Archive of Our Own. Use keywords like 'pregnant Yugi' in their search bars to find relevant stories.
There might be a yugi pregnant fanfiction where the focus is on how Yugi's partner takes care of him during the pregnancy. His partner could be extremely doting, making sure he has all the proper nutrition, takes his prenatal vitamins, and is always comfortable. This type of story would highlight their relationship.
Often, in 'fem Yugi pregnant fanfiction', there is a theme of character development. Yugi's journey through pregnancy can lead to her growing as a person. There may also be themes related to the future, like how the baby will impact her life and the lives of those around her. It could also explore the reactions of the Yugi - verse community to her pregnancy, which adds an interesting social aspect.
I'm not very familiar with 'female yugi pregnant fanfiction' specifically, but generally in pregnancy - related fanfiction, themes like anticipation of new life, relationship changes, and dealing with unexpected situations are common. Maybe in this type of fanfiction about female Yugi, it could also involve how her friends and family react to her pregnancy.
One common theme is the growth of their relationship. The pregnancy often serves as a catalyst for them to become even closer and more understanding of each other.
The main characters are obviously Yugi and Tea. Yugi is known for his skills in Duel Monsters and his kind-hearted nature. Tea is his friend (and in this fanfiction, his partner in having a baby). They are both from the 'Yugioh' series and are very popular characters among fans of the franchise.