It's Okay. We Killed No Jews Before They Died.

This little feel-good, gee-whiz, article about the wonders of medical science contained this "but-of-course" gem:

The parents will have been spared the risk of inflicting this disease on their daughter.

"The lasting legacy is the eradication of the transmission of this form of cancer that has blighted these families for generations."

Pre-implantation genetic diagnosis (PGD) involves taking a cell from an embryo at the eight-cell stage of development, when it is around three-days old, and testing it.

This is before conception - defined as when the embryo is implanted in the womb.

Doctors then select an embryo free from rogue genes to continue the pregnancy, and discard any whose genetic profile points to future problems.

Defined by who?