APGAR Score Calculator (newborn)

Understanding the APGAR score — concept and principle

The Apgar score is a quick, standard way to describe a newborn baby's condition just after birth. It is recorded at 1 minute and 5 minutes of age, and repeated every 5 minutes if the score is low, so the delivery team can document how the baby is adapting and how it responds to any resuscitation.

How it is calculated

Five signs are each scored 0, 1 or 2:

• Appearance (colour): 0 blue or pale all over, 1 blue hands and feet, 2 pink all over.
• Pulse (heart rate): 0 absent, 1 below 100 beats/min, 2 at least 100.
• Grimace (reflex irritability): 0 none, 1 grimace, 2 cry, cough or sneeze.
• Activity (muscle tone): 0 limp, 1 some flexion, 2 active movement.
• Respiration: 0 absent, 1 weak or irregular, 2 good, strong cry.

The total ranges from 0 to 10. Following the American College of Obstetricians and Gynecologists (ACOG), 7–10 is reassuring, 4–6 moderately abnormal and 0–3 low.

The principle

The anaesthesiologist Virginia Apgar proposed the score in 1953 to replace vague impressions with five signs any trained observer can check in seconds, without equipment. Each sign reflects a vital function: heart rate and breathing show cardiorespiratory adaptation, while tone, reflexes and colour reflect oxygen delivery and neurological activity. The change between the 1- and 5-minute scores often says more than either alone, because it shows the response to the transition or to resuscitation.

Worked example

1. Defaults: pink all over (2), heart rate at least 100 (2), cries or coughs (2), active movement (2), strong cry (2).
2. APGAR = 2 + 2 + 2 + 2 + 2 = 10.
3. 10 is 7 or more, so the category is reassuring.
4. For comparison, a baby with blue hands and feet and some flexion but otherwise normal scores 8, still reassuring.

How to read the result

Most healthy babies score 7–9; a perfect 10 is less common, especially at 1 minute, because hands and feet often stay bluish. A low 1-minute score with a reassuring 5-minute score is usual after a difficult birth. If the 5-minute score is below 7, ACOG and the American Academy of Pediatrics advise repeating it every 5 minutes up to 20 minutes.

Common mistakes

• Waiting for the 1-minute score before starting resuscitation; resuscitation starts as soon as it is needed.
• Using the score alone to diagnose birth asphyxia or predict long-term neurological outcome.
• Scoring preterm babies without allowing for immaturity, which lowers tone, colour and reflex scores.

Frequently asked questions

Is a score of 7 at 1 minute a concern?

No. 7–10 is the reassuring range. What matters more is the trend to the 5-minute score.

Does a low Apgar score mean brain damage?

Not by itself. Many babies with low early scores do well, and the score is not a reliable predictor of later outcome on its own.

Sources: Apgar V., Current Researches in Anesthesia and Analgesia, 1953 · ACOG Committee Opinion No. 644, The Apgar Score, 2015