If you are searching for the "Full" version of this specific narrative, it is likely hosted on one of the following:

Perhaps the user is referring to a specific story on a site like "Minted" or "Bold Journey". The Bold Journey article about Claudia Valenzuela (Cloudyv) is about a graphic designer. No mention of pregnancy or widowhood.

In some cases, algorithms accidentally fuse two separate trending topics. For instance, Claudia Valenzuela is a publicly known figure in Latin American media (notably as the mother of the famous Argentinian musician L-Gante). If a fictional story, a meme, or an unrelated news piece containing the words "my pregnant and widow step" started trending at the same time, search engines occasionally autocomplete them into a single, confusing phrase. The Appeal of the "Step-Family Drama" Trope

Her late husband’s wealthy, manipulative family attempts to cut her out of the inheritance or seize custody of the unborn child.