In term appropriate for age healthy newborns within the first few hours of life, 'normal' blood glucose concentrations can range between 1.4 mmol/L and 6.2 mmol/L, but by about 72 h of life they reach values of 3.5–5.5 mmol/L.

In term appropriate for age healthy newborns within the first few hours of life, 'normal' blood glucose concentrations can range between 1.4 mmol/L and 6.2 mmol/L, but by about 72 h of life they reach values of 3.5–5.5 mmol/L.