Lisa and Jack Nash had a daughter who was born with Fanconi anemia. The only way to cure Molly was through a bone marrow transplant. DNA testing revealed that both parents were not a match and could not be donors. Another option was to use umbilical stem cells to rebuild their daughter’s bone marrow until they both discovered that they had a 25% chance of conceiving another child with the same problem. To solve it, a DNA paternity test was performed, and Jack’s sperm was used to inseminate Lisa’s eggs. With a procedure known as “Preimplantation genetic diagnosis” (PGD), the scientists were able to isolate the embryos that did not develop Fanconi anemia and implant them in Lisa’s uterus. Nine months later Adam was born, and stem cells were taken from his umbilical cord to reconstruct his sister Molly’s bone marrow.

Are these procedures ethical?

Both Lisa and Jack planned … Read the rest