Final answer:
The nurse should consider that the client is grieving the loss of her anticipated birth experience. It is important to provide emotional support to the client during this time.
Step-by-step explanation:
The nurse should consider that the client is grieving the loss of her anticipated birth experience. The client's feelings of preoccupation, trouble, and crying indicate that she is experiencing emotional distress. The client may be feeling like a failure due to the emergency cesarean birth and may be mourning the loss of the expected vaginal birth experience.