A nurse is reinforcing teaching with a client who tested positive for group B streptococcus β-hemolytic (GBS) during a prior pregnancy and is at 30 weeks of gestation. Which of the following statements should the nurse make?
"You will be tested again for GBS at about 36 weeks of gestation.”.
"If you test positive for GBS, the provider will need to perform a cesarean birth.”.
"You will take an antibiotic during the last 2 weeks of pregnancy to avoid transferring GBS to your baby.”.
"This infection can cause your baby to experience hearing loss at birth.”.
The Correct Answer is A
Choice A rationale
Testing for GBS at around 36 weeks of gestation is standard practice to identify carriers and prevent neonatal GBS infections through intrapartum antibiotic prophylaxis if necessary.
Choice B rationale
Cesarean birth is not indicated solely based on a positive GBS status. The primary intervention is intrapartum antibiotic prophylaxis to reduce the risk of neonatal infection.
Choice C rationale
Routine antibiotic administration during the last weeks of pregnancy is not standard practice; antibiotics are given during labor if GBS is present to prevent transmission to the baby.
Choice D rationale
GBS infection does not cause hearing loss in newborns. The primary concern is neonatal sepsis, pneumonia, or meningitis, not hearing loss.
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Correct Answer is ["A","C","E"]
Explanation
Choice A rationale:
Breech presentation is a contraindication for dinoprostone as it increases the risk of complications during labor and delivery. Using dinoprostone to induce labor in a non-vertex presentation can lead to issues such as cord prolapse or obstructed labor, which necessitate a cesarean section for safe delivery.
Choice B rationale:
Terbutaline administration is used to manage preterm labor by relaxing the uterus. While it is relevant in labor management, it does not directly contraindicate the use of dinoprostone. Terbutaline and dinoprostone can be used in conjunction if properly managed.
Choice C rationale:
Fetal heart rate (FHR) monitoring showing abnormalities is a potential reason to withhold dinoprostone. Dinoprostone can increase uterine contractions, potentially stressing the fetus. A stable FHR with moderate variability indicates fetal well-being; however, if there were concerns, the provider might withhold dinoprostone.
Choice D rationale:
A WBC count of 9,500/mm³ is within the normal range and does not indicate an infection or condition that would contraindicate dinoprostone use. Elevated WBC count could raise concerns, but in this case, it is normal and not a contraindication.
Choice E rationale:
Lesions noted on the vaginal introitus and labia majora, likely caused by Herpes simplex virus, are a contraindication for dinoprostone. Active genital herpes lesions increase the risk of neonatal herpes transmission, making vaginal delivery risky. In such cases, cesarean delivery is often preferred to prevent transmission.
Correct Answer is B
Explanation
Choice A rationale
Elevating the client's legs is incorrect as an initial intervention. It is more important to address the potential cause of the late decelerations first.
Choice B rationale
Turning the client onto their side is correct. This intervention can improve blood flow to the fetus and reduce the pressure on the vena cava, potentially alleviating late decelerations.
Choice C rationale
Palpating the client's uterus is not the first action. It is essential to address maternal positioning and oxygenation issues first.
Choice D rationale
Increasing the client's IV fluid infusion rate may help, but it is not the initial action. Positioning changes can have an immediate effect on fetal oxygenation.