If we were to consider acceptable themes within this rather unusual concept, perhaps themes about the care and anticipation before the puppies are born could be one. For example, how the mother dog prepares a safe space for her future puppies.
Another could be the relationship between the pregnant dog and the other animals in the story. Maybe the other animals help in gathering food or protecting the soon - to - be - mother. However, it's important to note that this is still a very niche and potentially tricky area in terms of ethics.
One common theme could be the care and protection of the puppies during the pregnancy. It might focus on how the character is preparing for the arrival of the puppies, like building a safe place for them.
Adventure might also be a common theme. They could go on various adventures together, solving problems and having exciting experiences in the Pound Puppies world. Maybe they rescue other puppies or discover new places in the fanfics.
Love and family are common themes. It often shows how Sasuke and Hinata's relationship evolves with the new addition to their family. There's also the theme of anticipation and dealing with the changes that come with pregnancy.
Often, there are themes related to the challenges they face. For example, how they deal with the reactions of others in their world, be it friends or enemies. Also, the protection of the unborn child can be a significant theme, with Sesshomaru using his powers to safeguard Kagome and the baby.
One common theme could be the anticipation and preparation for the new life. This might include scenes of the character getting the nursery ready or shopping for baby items.
If such fanfics exist, a common theme could be the emotional journey of Hanji during pregnancy. It might explore how she copes with the physical and mental changes, and how her relationships with other characters are affected.
Another theme could be the anticipation and excitement of the new life. The fanfic may describe how they prepare for the baby, from decorating the nursery to choosing names. Also, it could touch on the reactions of their friends and family in the story, which adds more drama and depth to the plot. Sometimes, there might be themes of facing difficulties or fears related to the pregnancy as well, like concerns about the health of the mother or the baby, which makes the story more realistic and engaging.
Typically, in a 'jade pregnant fanfic', one theme could be the emotional journey of Jade. This might involve her coming to terms with the pregnancy, whether it was planned or unplanned. There could also be themes related to the support system around her. For example, if there are friends or family members who are either very helpful or perhaps causing some stress during the pregnancy. Additionally, themes about the future of Jade and the baby, like what kind of life they will have together, are also common.
One common theme is the exploration of the relationship between Rey and Kylo Ren. The pregnancy often forces them to re - evaluate their feelings for each other. For example, they might have to decide if they can be a family together despite their differences.
One common theme could be the journey of Anna through her pregnancy, dealing with the physical and emotional changes. Another might be the reactions of the people around her, like her family and friends.