Why it matters in the Letby case
Two Letby counts turn on the inference that low blood sugar was caused by exogenous insulin. The expert dispute is about whether the laboratory method used could reliably support that inference.
May 2026: Thirlwall Inquiry report delayed to at least September 2026 · six-baby inquests relisted to 2027 · CCRC review active · Shoo Lee Panel: no medical evidence of deliberate harm.
Medical explainer
Neonatal hypoglycaemia (low blood sugar in a newborn) has many natural causes — inadequate substrate, prematurity, transient hyperinsulinism, sepsis. Diagnosing exogenous (administered) insulin from blood ratios alone requires careful methodology.
Two Letby counts turn on the inference that low blood sugar was caused by exogenous insulin. The expert dispute is about whether the laboratory method used could reliably support that inference.
Found an error or missing source? Send a correction with the page URL and supporting source.