Neonatal-perinatal medicine has a strong history of evidence based practice but unfortunately there remain many areas of uncertainty and unproven hypotheses and treatments that may harm our highly vulnerable patients. When new ideas are introduced into the labor and delivery room or the NICU we have to evaluate these procedures and therapies before they become accepted as standards of care. We need to learn from the past lessons of grey baby syndrome and chloramphenicol and of kernicterus and sulfonamide antibiotics where therapeutic good intentions actually did more harm than good and...