Save a Dying Child: Have Another One

Most parents would do anything to keep their children safe.

Michael Hartmann's birth rescued his sister Elisabeth (left) from death.

(ABCNEWS.com)

But what can parents do when their child is sick with a deadly disease and requires a bone marrow transplant?

Many in this situation are turning to a controversial procedure in which they choose to have another baby genetically selected from embryos created outside the womb to save the life of their sick child.

The following are several stories of families who made the choice to have a genetically selected baby to save their child's life.