The fictional part could be the idea of a giant prehistoric shark like the Meg still existing and causing havoc. It's not something that exists in reality.
The Meg offers a blend of adventure and science fiction. There's the thrill of encountering a massive prehistoric shark and the scientific aspect of dealing with such a creature.
I don't have the exact name of a particular movie. But often, authors draw inspiration from a wide range of movies in the romance genre to shape their writing.
Well, to determine if Meg is a true story, you'd need to look at its source and the author's claims. Sometimes stories are inspired by real-life but have fictional elements added. So, it's not straightforward to give a definite yes or no.
It can show her vulnerability. When Meg is pregnant, she may be more exposed to the judgments of others, which can make her more self - conscious. This could be a chance to explore how she copes with that.