You are called to assess a 24 hours old baby boy in the labour and delivery ward.  The infant has been born at 38 weeks gestation.  The mother is a 38 year old G2P1 woman whose immunizations are up to date and prenatal serologies are protective. Group B streptococcus swabs were negative. The mother did not smoke, drank small amounts of alcohol throughout the pregnancy, and took diclectin. The mother was healthy. The labour was 1 hours in duration with membranes ruptured for 9 hours. Meconium was not present. The baby was born vaginally with no instrumentation   

Since delivery, the nurses have noted the infant appeared to have bruising on the face.

On examination the infant has no dysmorphic features and is alert. The weight, length, and head circumference are all at the 25th percentile. The body has bruising on the torso.  There is normal colour with normal capillary refill with normal S1 and S2 with no murmur.  Chest exam shows  normal breath sounds and no increased work of breathing.   Abdominal exam finds no organomegaly. Tone is normal and there is spontaneous movements of all four limbs.   Red reflexes of the eyes are normal.