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Paediatrics Neonatology Standard — Ballard 1991

Ballard Maturational Assessment

New Ballard Score (Ballard 1991): 6 neuromuscular and 6 physical maturity signs; the total converts to an estimated gestational age of 20–44 weeks.

Score interpretation

< 30 Weeks — Extremely / Very Preterm 19–29.99

Estimated gestational age below 30 weeks (NBS total ≤ 14)

→ Level 3 NICU; surfactant therapy; respiratory support; thermoregulation; parenteral nutrition; indomethacin/ibuprofen for PDA; infection prevention; neuroprotective measures (magnesium, avoid hypoxia); family-centred care; neurodevelopmental follow-up

30–36 Weeks — Preterm 30–36.99

Estimated gestational age 30 to 36+6 weeks (NBS total 15–32)

→ NICU/SCN care; respiratory monitoring; thermoregulation incubator; establish feeds (NG if unable to suck); caffeine for apnoea of prematurity; vitamin D and iron supplementation; jaundice monitoring; breastfeeding support; ophthalmology for ROP screening if <32 weeks

37–41 Weeks — Term 37–41.99

Estimated gestational age 37 to 41+6 weeks (NBS total 33–44)

→ Routine newborn care; ensure adequate feeding; bilirubin monitoring; newborn examination; vitamin K prophylaxis; hearing screen; metabolic screen; promote skin-to-skin; arrange GP/midwife follow-up within 5 days of discharge

≥ 42 Weeks — Post-term 42–44

Estimated gestational age 42 weeks or more (NBS total ≥ 45)

→ Routine newborn care; compare with antenatal dating; observe feeding, temperature and glucose

Interpretation bands for the Ballard Score. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.