When a New York woman gave birth to twins after IVF, neither baby was related to her, or to each other.
Sarah ZhangA woman gave birth to twins—only to be forced to give them up when it turned out the IVF clinic implanted someone else's embryos. I wrote about what this case means for our definition of "parenthood"
Sarah Zhang“I’m just praying to God I don’t have another son or daughter out there"
Naturopaths have long been obsessed with a gene called MTHFR. Now vaccine skeptics are testing for it too.
Sarah ZhangAnti-vax doctors have been using 23andMe tests to grant vaccine exemptions.
I traced it all back to a single paper from 2008. In hindsight, one of the authors was blistering about his own paper: "It’s just not even a valid study by today’s methodology"
Sarah ZhangI wrote about how anti-vaccine doctors have been ordering 23andMe tests to find exemptions using a gene called MTHFR
Sarah ZhangLet's review what has happened since genetic genealogy was used to catch the Golden State Killer last year.
GSK was a notorious serial killer and rapist. We're told that the powerful new technique will only be used for homicides and sexual assaults
Sarah ZhangWhy limit the number of kids per donor? The usual rationale is to prevent accidental incest. The odds are pretty remote, but not zero
A guy posted on reddit earlier this year saying he and his girlfriend took 23andMe tests, and uh, you can guess