When Using Intermittent Auscultation (IA)for a Fetal Heart Rate (FHR),nurses

When using intermittent auscultation (IA) for a fetal heart rate (FHR) ,nurses should be aware that:

A) They can be expected to cover only two or three clients when IA is the primary method of fetal assessment
B) The best course is to use the descriptive terms associated with electronic fetal monitoring (EFM) when documenting results
C) If the heartbeat cannot be found immediately,a shift must be made to electronic monitoring
D) Ultrasound can be used to find the FHR and reassure the mother if initial difficulty was a factor