An anxious guardian brings their 3-day old infant to the nurse practitioner because the infant has serosanguineous vaginal discharge, The nurse practitioner informs the guardian that:
A- This is a normal finding in female newborns,
B- the discharge usually resolves by the time the infant in 3 months old,
C- the discharge should be cultured to assess for bacterial infection,
D- the discharge should be checked for occult blood
