NCLEX-RN® NGN Case Study: Pregnant Client with Possible Severe Preeclampsia

An NGN case study on a 34-week pregnant client with a severe headache and high blood pressure — cues to highlight, hypotheses to rank, and the safe order of nursing actions.

A maternal-health scenario senior students see on every NCLEX-RN® test plan

A 28-year-old client at 34 weeks of pregnancy walks into a labour and delivery triage area with her partner. Her chief complaint sounds simple: a bad headache that started this morning and "won't go away with Tylenol". She also says her face feels puffy and her wedding ring is suddenly tight.

The intake nurse takes vitals quietly while asking screening questions. The blood pressure reading is high — much higher than the readings in her prenatal record. Her ankles are clearly swollen. She squints at the overhead lights and apologises for being slow to answer. Her partner is more anxious than she is.

That is the entire opening of this NGN case study. There is no "this is severe preeclampsia" tag at the top of the screen. The case asks you to behave like the triage RN in that room — to read the cues carefully, to take the most dangerous possibility seriously, and to act in the right order.

What this case is testing

This case is built around a presentation NCLEX-RN® test writers use because it forces a complete pass through the NCSBN Clinical Judgment Measurement Model on a high-acuity obstetric client:

  • Recognize cues in a pregnant client whose chief complaint sounds ordinary and whose vital signs are anything but.
  • Analyze cues the way a perinatal nurse would, knowing that the same blood pressure reading carries very different weight at 34 weeks of pregnancy than it would in a non-pregnant adult.
  • Prioritize hypotheses when multiple differentials are plausible — migraine, gestational hypertension, preeclampsia with severe features, HELLP syndrome.
  • Generate solutions matched to the urgency of the most dangerous possibility, including positioning, IV access, antihypertensive choice, and seizure prophylaxis.
  • Take action in the right order: assessment, lines, labs, medication, monitoring, and communication.
  • Evaluate outcomes after the first interventions using a fresh blood pressure trend, deep tendon reflex check, and the client's own report.

Underneath the case, you will be touching several Client Needs categories at once: Safe and Effective Care Environment (handoff and prioritisation), Health Promotion and Maintenance (perinatal physiology), Physiological Adaptation, Pharmacology and Parenteral Therapies (magnesium sulfate and antihypertensive agents), and Reduction of Risk Potential.

Who this case is good for

This is a senior-level NCLEX-RN® case study. It is a strong fit for:

  • Senior nursing students preparing for NCLEX-RN® who have completed a maternal-newborn rotation.
  • Recent graduates working through NGN-style cases in the final stretch of a 30-, 60-, or 90-day NCLEX-RN® study plan.
  • Internationally educated nurses preparing for NCLEX-RN® who want exposure to US-style perinatal triage thinking.
  • Anyone who finds OB intimidating and wants a structured, low-pressure way to walk a high-acuity case from triage to handoff.

It is not the right first NGN case for a student who has only done multiple-choice questions. If that's you, start with the in-app NGN tutorial the first time you open any case — it explains the six clinical-judgment steps in plain language.

What you will work through, step by step

Inside the case you will move through six linked sub-items. Each one ties to a single step in the CJMM clinical-judgment cycle and unlocks the next.

  • The opening sub-item asks you to highlight the cues that change the story from "third-trimester complaint" to "potential obstetric emergency". Picking too many cues is as wrong as picking too few.
  • The analyse sub-item asks you to match cues to a probable physiological process. The wrong-but-tempting answer choices all sound clinically reasonable on the surface; the rationale walks you through the deciding feature.
  • A prioritisation sub-item asks you to rank the possible diagnoses by how dangerous they would be if missed, not by how likely they are at first glance.
  • An action sub-item asks for the single first nursing action. Two of the answer choices look almost identical — separating them is the entire point of the item.
  • A handoff sub-item asks you to assemble an SBAR-style report to the on-call obstetrician using building blocks instead of free text.
  • The closing sub-item asks you to evaluate the response after the first round of interventions, using a fresh BP, a fresh reflex check, fetal monitoring data, and the client's own words.

At the end you will see your overall score, sub-item by sub-item feedback, and a short reflection prompt that feeds your Mistake DNA inside RN Clarity.

Why this case shows up in NCLEX-RN® prep so often

A pregnant client with a "headache and swelling" is one of the most-tested presentations on the current NCLEX-RN® test plan because it sits at the intersection of high-stakes assessment, time-sensitive medication management, and clear handoff. Test writers reach for it because nothing else in the test plan rewards the same blend of careful cue reading and decisive action quite as well.

If you can think your way through this case calmly, you will have practised the reasoning loop NCLEX-RN® test writers reward, with one of the populations where missed cues do the most harm in real practice.

Try the full case

There is no spoiler here on purpose. An NGN case is about the reasoning you do while the screen is in front of you, not the answer key afterward. The case is open to free preview members and full subscribers inside the RN Clarity NGN bank.

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See also:

NCLEX-RN® Hub: Clinical Judgment Guide · NGN Case Studies Hub

Practice on RN Clarity: NGN Case Studies · Question Bank · Drug Cards