The Apgar score is a simple assessment of how a baby is doing at birth, which helps determine whether your newborn is ready to meet the world without additional medical assistance.Your practitioner will do this quick evaluation one minute and five minutes after your baby is born.he five-minute Apgar score. The second score helps your practitioner see how your baby is progressing and whether he has responded to any initial medical intervention. A score of 7 to 10 is still considered normal at this point.