For an infant around 28 weeks' gestation, which pain assessment scale is reported as effective?

• A. 28 weeks
• B. 23 weeks
• C. 32 weeks
• D. 40 weeks

Answer: (A)

In preterm infants, pain findings are influenced by neurodevelopmental immaturity, so the most reliable scales are those that incorporate gestational age into the assessment. The Premature Infant Pain Profile (PIPP) is specifically designed for preterm babies and uses facial actions, changes in heart rate and oxygen saturation, plus a gestational-age adjustment. This combination makes PIPP effective starting around 28 weeks of gestation, when behavioral and autonomic responses begin to provide meaningful pain information in conjunction with maturation. Therefore, for an infant around 28 weeks, this gestational-age–adjusted approach is the best fit. The other gestational ages listed fall outside the commonly cited effective window for this particular preterm pain assessment approach, making 28 weeks the most appropriate match.