What additional testing does the doctor order after the non-stress test shows no change in fetal heart rate, and how does the nurse prepare the patient for this test?
a) Biophysical profile; by explaining the use of ultrasound
b) Contraction stress test; by explaining the medication and how it will feel
c) Amniocentesis; by discussing the procedure and potential risks
d) Fetal movement counting; by providing instructions on fetal movement tracking