A Patient Is Being Seen at the Clinic for Her

A patient is being seen at the clinic for her 10-week prenatal visit.She asks when she will be able to hear the baby's heartbeat.The nurse should reply:

A) "The baby's heartbeat is not usually heard until the second trimester."
B) "The baby's heartbeat may be heard anywhere from the ninth to the twelfth week."
C) "It is often difficult to hear the heartbeat at this point, but we can try."
D) "It is normal to hear the heartbeat at six weeks. We may be able to hear it today."