The linked abstract sez they searched a list of 5000 jade objects, and none of them were twat eggs, therefore Chinese people never did this.
I really hope it is unnecessary to explain how weak that is as a piece of science.
As the OP correctly points out, the problem with TCM woo is its dodgy appeal to authority. But appealing to a different dodgy authority just makes things worse. The scientific procedure would be:
Wait for goop to deploy a single scrap of evidence for their silly advice
" Moonstone is recognized as the ultimate Fertility Crystal. Moonstone is very powerful as it is directly connected with the energy of the Moon. The Moon itself is said to have a feminine power. Moonstone gives calming energy and emotional stability. It is a stone of inner growth and strength. Enjoy Your Moonstone crystals especially during Full Moon to enhance the healing energy."
I feel like I’m getting cooties just from reading that website
Of course just the other day, i was advising somebody that it was a bad idea to wash the “skulls of your enemies” in the dishwasher. Bone is too porous.
If people like putting jade eggs in their vagina in the current day, I can’t be bothered to care whether they used to put jade eggs in their vagina a long time ago or whether they just started to put jade eggs in their vagina or whether or not they should put jade eggs in their vagina.