A significant theme is the anticipation and excitement of the new life. The fanfiction may focus on Sonata and Dash's dreams and hopes for their future child. It could also touch on how their own personal growth is influenced by the pregnancy. They might become more responsible, learn to communicate better, and strengthen their bond as they look forward to the birth of their baby.
You can try looking on fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms often have a wide variety of fanfiction, including Sondash ones. Just use the search function and type in 'Sondash pregnant' to see if there are any relevant stories available.
One common theme is survival. Since 'The 100' is set in a harsh world, the pregnancy adds another layer of challenge. The characters have to ensure the survival of the mother and the unborn child in a world full of danger.
Love and support are common themes. Usually, Bella's relationship with Edward or other important characters deepens as they support her through the pregnancy.
Another theme is the relationship changes. Her relationship with the baby's father might be explored, whether it's a new relationship or an existing one. There could also be changes in her friendships as she focuses more on her upcoming motherhood.
Family support is also a big theme. It shows how their friends and family react to the news, whether it's with joy, concern, or a mix of both. In some garmau pregnant fanfiction, the family members play an important role in helping the couple prepare for the baby.
One common theme could be the relationship changes. With the pregnancy, the characters' dynamics might shift in many ways.
One common theme could be the challenges of pregnancy. Since Undyne is a strong character, it might be interesting to see how she copes with the physical and emotional changes that come with pregnancy. Another theme could be the relationship between Undyne and her partner during this time, like how they support each other.
One common theme might be the anticipation and excitement within the family and the community. Since Neytiri is an important character in the Avatar universe, her pregnancy would likely have a big impact on those around her.
One common theme could be the exploration of the unexpected situation of a character like Chucky being involved in a pregnancy - related plot. It might also deal with themes of the supernatural and how it intersects with pregnancy.
Often, there's a theme of family and support. Like how their friends and family react to the pregnancy, and how that impacts the spamano relationship. Maybe their families are overjoyed or there are some difficulties in getting support. Another theme could be the future plans of the couple. Are they thinking about getting married? How will they raise the child? There can be a lot of speculation and development around these ideas in the fanfiction.