Peter Attia· MD
Category D says actually we do have some positive evidence of human fetal risk. And the drugs that sit in this category, and I'm going to come back to this and give you examples of each of the drugs, the drugs that sit in this category, you might say, well, why would a woman ever take a drug if there's some evidence of risk to the fetus? And that is only if the risk to the mother not taking it is greater.