Mind map showing summary for the Apgar score. The test is generally done at one and five minutes after birth, and may be repeated later if the score is and remains low. Scores 7 and above are generally normal, 4 to 6 fairly low, and 3 and below are generally regarded as critically low.pgar was an anesthesiologist who developed the score in order to ascertain the effects of obstetric anesthesia on babies. The Apgar scale is determined by evaluating the newborn baby on five simple criteria on a scale from zero to two, then summing up the five values thus obtained.