Umm, what? Anything that has gestation similar to a human is probably incapable of this. Could you imagine these fucking alien beans duckin' and dodgin' in utero to slaughter each other with nubby hands and fingers? Lmao this is some Morrowind concept art shit
It's not unheard of for one (human) twin to absorb the other in the womb. It's more along the lines of a cellular mixup, though, rather than a battle. And of course the mother even being aware much less sensitive to it is nonsense.
My favourite bit on drow related lore is from 2E. Non-drow followers of Eilistraee would do black face and travel the world as part of an effort to show drow could be peaceful. There is something hilarious to me about how well intentioned the author seems to be but completely oblivious to what it looks like.
I mean, Chang is trying to be offensive, because he is a racist, this is very well established by the show and it's weird how few people understood that.