And then it's almost a criminal procedure, requiring proof beyond a reasonable doubt.

CNN: Pediatricians urge tougher chemical safety law

The Savages are not releasing the name of the clinic where they underwent the IVF procedure, but provided CNN with proof of their reproductive predicament, including results of amniocentesis, a genetic test, indicating the baby Carolyn is carrying is not theirs.

CNN: Fertility clinic to couple: You got the wrong embryos

But other doctors, especially oncologists used to the rigorous standards of proof required for big drug trials, note a lack of controlled trial data showing that the procedure extends life.

FORBES: Tumor Zappers