What is an essential instruction a nurse should reinforce for a client undergoing an amniocentesis?

• A. The bladder must be empty during the exam
• B. The bladder must be full during the exam
• C. The procedure should be done in a sterile environment
• D. The client should fast for 12 hours before the exam

Answer: (B)

The requirement for a full bladder during amniocentesis is crucial for providing a safe and effective procedure. A full bladder helps to elevate the uterus, making it easier for the healthcare provider to access the amniotic sac through the abdominal wall. This is particularly helpful in improving visibility with ultrasound guidance and reduces the risk of injury to the fetus. A distended bladder creates a clearer space for the needle to be inserted and can aid in avoiding any potential complications during the procedure.

This practice not only enhances the accuracy of the procedure but also contributes to the comfort and safety of the client and the fetus. Thus, reinforcing the importance of having a full bladder before undergoing amniocentesis is paramount for achieving the best possible outcome.