‘Three-parent baby’ boy healthy so far
Three other embryos created by technique had wrong chromosome count
![egg fertilization](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/10/101916_LH_3parentbaby-brief_main.jpg?fit=860%2C460&ssl=1)
SO FAR, SO GOOD Doctors say an infant boy, born in April as the result of a “three-parent baby” technique, is doing well and shows no signs of having inherited a fatal mitochondrial disease from his mother.
NEVODKA/SHUTTERSTOCK