Neonatology · Gestational Age Estimation

New Ballard Score

12 criteria (6 neuromuscular maturity + 6 physical maturity). Estimates gestational age from direct physical assessment — not a substitute for clinical judgment.

Step 1 / 14Filled: 0/12

Step 1 · Select sex

Infant's sex?

The genitals criterion displays sex-specific options.

Reference only. New Ballard Score — Ballard JL et al., J Pediatr 1991;119:417. Accuracy ± 2 weeks; does not replace clinical judgement or maternal menstrual history.