Figure 1From: Pediatric reference intervals for thyroid hormone levels from birth to adulthood: a retrospective study Reference intervals for TSH of age groups listed in table 2. The central 95% range (2.5th, 25th, 50th, 75th, and 97.5th percentiles) is shown. Due to resolution reasons lines start at zero, although no samples were taken within the first hours after birth.Back to article page