What is the nurse’s responsibility as this patient’s nurse as it pertains to the newborn screen?

Questions:

What is the nurse’s responsibility as this patient’s nurse as it pertains to the newborn screen?
Under what circumstances is it appropriate for the mother to decline the newborn screen?
How should the nurse communicate his or her nursing interventions to others when a patient’s mother declines the newborn screen?
If the mother in this scenario changes her mind, when should the newborn screen be obtained and what is the method for obtaining the newborn screen?
What are your feelings on this topic? Would it be difficult for you to respond to a parent who refuses the newborn screen? Why/why not?