Haha. It's been in all of them. I know that scene, famous film.

But they had whole jars of the fetuses, with all the extra appendages at all the various stages of deformation. While they made the Frankenstiens. There was premium demand for the mutants and the deformed at the freak circuses. Because they fornicated with goats and imported cannibals. They bred the mutants to get paid for their ungodly monsters. So they consumed poison to cause fetal deformality, as doctors experimented on live test subjects and were butchers and graverobbers. Undoubtedly.

It has happened throughout history but a subject of taboo. Nobody admits to it. Any records often scrubbed over time. You look at these criminals who do this today. A few years later gone off any searches as the searches evolve. Sure there is the odd clippings. But it was far more widespread them.

Giganticism also was.