A pregnant client at 32 weeks gestation with gestational diabetes mellitus is admitted for blood glucose management. Her fasting blood glucose is 140 mg/dL and postprandial glucose is 180 mg/dL. Which nursing intervention should be the priority?
1Administer insulin as prescribed and monitor for hypoglycemic episodes
2Assess fetal movement patterns and schedule non-stress test immediately✓ 정답
3Implement strict bed rest and monitor for signs of preterm labor
4Increase dietary carbohydrate intake and monitor weight gain patterns
해설
Fetal surveillance is the priority intervention when maternal blood glucose levels are poorly controlled in gestational diabetes. Other options are important but not immediate priorities compared to assessing fetal well-being.
Core Nursing ExplanationKey Concept Analysis: This question tests the priority nursing intervention for a pregnant patient with Gestational Diabetes Mellitus (GDM) who presents with poorly controlled blood glucose. The core pathophysiological principle is that maternal hyperglycemia leads to fetal hyperglycemia, which stimulates the fetal pancreas to produce excess insulin. This fetal hyperinsulinemia acts as a growth hormone, leading to Macrosomia (large-for-gestational-age baby). More critically, it increases the risk of Fetal distress, Intrauterine fetal demise (IUFD), and neonatal complications like hypoglycemia after birth. Therefore, when maternal glucose control is suboptimal, the immediate nursing priority shifts from managing the mother's glucose to Key Point!assessing and ensuring fetal well-being.
Answer Rationale: Option ② is correct because it directly addresses the most significant and immediate risk: potential fetal compromise. A fasting glucose of 140 mg/dL (target is typically < 95 mg/dL) and a postprandial of 180 mg/dL (target is typically < 120-140 mg/dL) indicate poor control. Assessing fetal movement is a quick, non-invasive initial assessment, and scheduling a Non-Stress Test (NST) is a standard, immediate intervention to evaluate fetal heart rate reactivity and rule out distress. This aligns with the nursing process principle of prioritizing interventions based on the greatest threat to the patient (in this case, the fetus).
Distractor Analysis:
Option ① (Administer insulin): While administering prescribed insulin is a correct and necessary action for glucose management, it is not the priority in this specific scenario. The question presents a situation where hyperglycemia is already present and has been sustained long enough to pose a fetal risk. The priority is to first assess the status of the fetus who may already be in distress due to the existing hyperglycemia. Insulin administration addresses the cause but does not immediately assess the effect on the fetus.
Option ③ (Strict bed rest): Bed rest is not a standard or evidence-based intervention for GDM management. It is more commonly associated with preterm labor, preeclampsia, or placenta previa. There is no indication in the scenario (like contractions or bleeding) to suggest preterm labor is the immediate concern. This intervention is unrelated to the primary problem of hyperglycemia and fetal surveillance.
Option ④ (Increase dietary carbohydrates): This intervention is contraindicated and dangerous. For a patient with hyperglycemia, the dietary management focuses on controlled, consistent carbohydrate intake, not an increase. Increasing carbohydrates would worsen the hyperglycemia, exacerbating the risk to the fetus.
Related Concepts: The management of GDM follows a stepwise approach: medical nutrition therapy first, then pharmacotherapy (insulin or oral agents like glyburide) if needed. However, Watch out for confusion! When glucose control is poor, fetal surveillance becomes paramount. Other tests for fetal well-being include the Biophysical Profile (BPP) and Doppler velocimetry. Neonatal risks include hypoglycemia, hyperbilirubinemia, and respiratory distress syndrome.
Concept Summary
Concept
Key Points
Gestational Diabetes (GDM)
Glucose intolerance first recognized in pregnancy. Risks: maternal preeclampsia, cesarean birth; fetal macrosomia, birth injury, neonatal hypoglycemia.
Fetal Surveillance in GDM
Priority when glucose is poorly controlled. Methods: Kick counts, Non-Stress Test (NST), Biophysical Profile (BPP). Goal: Detect fetal distress early.
Hyperglycemia/hypoxia can cause fetal distress or demise. Assessment is immediate and life-saving.
Administering Insulin
As part of the ongoing management plan when diet/exercise fails to control glucose.
Addresses the root cause (hyperglycemia) but has a delayed effect on fetal status. Must be paired with surveillance.
Monitoring for Preterm Labor
History of preterm birth, multiple gestation, cervical insufficiency, symptoms present (cramping, contractions).
Not the primary risk factor for isolated GDM unless other complications coexist.
Anatomy, Physiology & Pharmacology Points
Placental Function: Glucose crosses the placenta via facilitated diffusion. Insulin does NOT cross the placenta, which is why maternal insulin is safe for the fetus.
Fetal Pancreas: By the second trimester, the fetal pancreas can produce insulin in response to maternal glucose levels.
Insulin in Pregnancy: The drug of choice for GDM when pharmacotherapy is needed. Human insulin or insulin analogs are used. Oral agents like glyburide may be used in some cases but cross the placenta.
Memory Tips
Priority Acronym: "Fetus First in Diabetes" – When mom's sugars are high, check the baby or it may die.
Glucose Numbers: Remember "<95 and <140" as the common fasting and 1-hour postprandial targets.
High-Frequency NCLEX Topics
NCLEX frequently tests priority-setting in obstetric complications. GDM is a classic scenario where you must choose between treating the mother's condition (glucose) and assessing the fetus. The rule of thumb: When a maternal condition directly threatens fetal well-being (like hypoxia from diabetes or hypertension), assessing the fetus is almost always the first priority. Know the glucose targets and the names of common fetal surveillance tests (NST, BPP).
Watch Out for Question Variations!
Shift from Symptom to Intervention: Instead of asking for the priority intervention, a question might ask: "The nurse notes variable decelerations on the fetal monitor of a client with GDM. What is the priority action?" (Answer: Change maternal position, administer O2, discontinue oxytocin if running – addressing the deceleration itself).
Shift to Postpartum/Newborn Care: "A newborn of a mother with GDM is jittery and has a glucose level of 30 mg/dL. What is the priority?" (Answer: Feed the baby (breast milk or formula) to correct hypoglycemia).
Combined Complications: The patient may have both GDM and preeclampsia. You must then prioritize based on the most immediate life threat (often the hypertensive crisis for the mother, then fetal assessment).
Nursing Clinical Practice GuideClinical Scenario: You are the nurse on the antenatal unit. Maria, a 32-week GDM patient, is admitted. Her glucose logs show persistent elevations. She mentions, "The baby hasn't been moving as much today." Her vital signs are stable.
Nursing Intervention Strategy:
Immediate Assessment (Priority):
Fetal Assessment: Perform a formal Fetal kick count. Instruct Maria to note movements over 1-2 hours. Simultaneously, apply the external fetal monitor for a Non-Stress Test (NST) to obtain an objective tracing.
Maternal Assessment: Check vital signs, review glucose logs, assess for signs of infection (UTI can cause hyperglycemia), and ask about symptoms of hyperglycemia (polyuria, polydipsia) or hypoglycemia.
Collaborative Care & Monitoring:
Notify the obstetrician/midwife of the poor glucose control and initiate fetal monitoring.
If the NST is non-reactive or concerning, prepare for further testing (Biophysical Profile) or possible delivery if the fetus is term or in distress.
Administer prescribed insulin accurately, understanding its peak times to monitor for and prevent maternal hypoglycemia, which is also dangerous for the fetus.
Reinforce Medical Nutrition Therapy (MNT) education with a dietitian. Meals should have consistent, complex carbohydrates, lean protein, and healthy fats.
Patient Education & Evaluation:
Educate on the importance of daily kick counts and to report immediately if <10 movements in 2 hours.
Teach self-monitoring of blood glucose (SMBG) technique and the meaning of target ranges.
Discuss the plan for the remainder of the pregnancy, including likely increased frequency of prenatal visits and surveillance tests.
Evaluate understanding by asking Maria to teach back the signs of hypo/hyperglycemia and when to call the provider.
Patient Safety and Precautions:
Hypoglycemia Prevention: Always assess the patient's meal schedule before administering insulin. Have a fast-acting carbohydrate source (juice, glucose tablets) at the bedside.
Fetal Monitoring: Understand how to interpret an NST (reactive vs. non-reactive) and when to intervene for decelerations.
Contraindications: Do not encourage increased carbohydrate intake. Do not assume bed rest is beneficial without a specific medical indication.
Nursing Procedure & Medication FlowInsulin Administration in Pregnancy:
Check: Verify the order, type of insulin (e.g., NPH, Lispro), dose, and timing in relation to meals.
Assess: Check current blood glucose level. Ask when the patient last ate and if she feels any symptoms of hypo/hyperglycemia.
Administer: Use subcutaneous injection, rotating sites (abdomen is acceptable in pregnancy, avoiding the immediate peri-umbilical area). Use proper insulin syringe or pen.
Monitor: Know the peak action time (e.g., Regular insulin: 2-4 hrs; NPH: 4-12 hrs). Plan to check glucose at peak times. Monitor for signs of hypoglycemia (shakiness, sweating, confusion).
A Word from Your Senior Nurse
"Managing gestational diabetes is a perfect example of caring for two patients at once. Your brain must constantly toggle between the mom and the baby. In clinical practice, a mom with high sugars who says 'the baby's quiet' will make your own heart race. You act immediately. On the NCLEX, they are testing that same instinct: the ability to sift through data and identify the silent, invisible patient (the fetus) who is at greatest risk. Never get so focused on the medication or the diet order that you forget to listen for the baby. That holistic, dual-focused thinking is what makes an excellent obstetric nurse."
Gestational Diabetes Mellitus — Glucose intolerance with onset or first recognition during pregnancy. It increases risks for both mother (preeclampsia, cesarean birth) and fetus/neonate (macrosomia, hypoglycemia).
Non-Stress Test — A common antepartum test to assess fetal well-being by monitoring the fetal heart rate in response to fetal movements. A "reactive" NST (accelerations with movement) is reassuring.
Macrosomia — A condition where a newborn is significantly larger than average (typically birth weight >4000 grams or >8 lbs 13 oz). A major risk associated with poorly controlled maternal diabetes due to fetal hyperinsulinemia.
Fetal Kick Counts — A maternal self-assessment of fetal well-being. Patients are instructed to note the time it takes to feel 10 distinct fetal movements. Fewer than 10 in 2 hours requires further evaluation.
Hyperinsulinemia — Excessive insulin production by the fetal pancreas in response to maternal hyperglycemia. It acts as a growth hormone, leading to macrosomia and increasing the risk of neonatal hypoglycemia after birth when the glucose supply is severed.