# A nurse is assessing a pregnant client at 32 weeks gestation during a routine prenatal visit. Which assessment finding would be most concerning and require immediate further evaluation? > source: MyMerci (mymerci.kr) > url: https://mymerci.kr/pages/nclex_q.php?qn_id=542816 > language: ko > subject: Maternal Newborn Health ## 문제 A nurse is assessing a pregnant client at 32 weeks gestation during a routine prenatal visit. Which assessment finding would be most concerning and require immediate further evaluation? ## 보기 1. Fetal heart rate of 150 beats per minute with good variability 2. Fundal height measuring 30 cm 3. Maternal weight gain of 2 pounds since last visit 4 weeks ago 4. Absence of fetal movement for the past 24 hours **✔ 정답** **정답: 4** ## 해설 Absence of fetal movement for 24 hours at 32 weeks gestation is a critical finding requiring immediate evaluation for potential fetal compromise. Other findings (FHR 150 bpm with good variability, fundal height 30 cm, weight gain 2 pounds) are within normal limits. ## 심화 해설 Clinical Reasoning and Analysis The most concerning finding that requires immediate further evaluation is the absence of fetal movement for the past 24 hours. This represents a significant change from the expected pattern of fetal activity and is a well-established marker for potential fetal compromise. Physiological Basis for Fetal Movement Assessment Fetal movement is a direct reflection of the functional integrity of the fetal central nervous system and musculoskeletal system. The perception of fetal movement by the mother, often formalized as "kick counts," is a fundamental, non-invasive method for antepartum fetal surveillance. A healthy fetus exhibits sleep-wake cycles, but a period of inactivity lasting 24 hours is profoundly abnormal and deviates sharply from the expected cyclic organization of fetal behavior. The cyclical pattern of activity and rest is a sign of neurodevelopmental maturation, reflecting the development of central neural circuits [4]. A sustained absence of movement suggests a disruption in these central neural circuits, potentially due to hypoxemia, acidosis, or other neurological compromise. When fetal oxygenation is jeopardized, the fetus conserves energy by reducing movement, making this a late and ominous sign of fetal distress. Analysis of the Other Options The other assessment findings are within normal limits or represent common, non-acute variations for a pregnancy at 32 weeks gestation. - Fetal heart rate of 150 beats per minute with good variability: A baseline fetal heart rate between 110 and 160 beats per minute is normal. The presence of good variability is the most reassuring characteristic of a fetal heart rate tracing, indicating an intact and well-oxygenated autonomic nervous system. This finding is expected and reassuring. - Fundal height measuring 30 cm: Between 20 and 36 weeks of gestation, the fundal height in centimeters typically correlates closely with the weeks of gestation, with an acceptable variance of ±2 to 3 cm. A measurement of 30 cm at 32 weeks falls within this normal range and is not an immediate cause for alarm, although serial measurements are important to track growth trends. It does not indicate an acute emergency like absent fetal movement. - Maternal weight gain of 2 pounds since last visit 4 weeks ago: During the second and third trimesters, a weight gain of approximately 1 pound per week is a general guideline. A gain of 2 pounds over 4 weeks is slightly less than the average expected gain but is not a critical finding in isolation. It does not signify an immediate threat to fetal well-being and would be addressed with nutritional counseling rather than emergency intervention. Pathophysiology of Fetal Compromise and Growth Restriction While the provided evidence does not directly link absent fetal movement to a specific etiology in this scenario, it is critical to understand that a cessation of movement can be a final common pathway for severe fetal compromise, including uteroplacental insufficiency. This insufficiency is the primary driver of fetal growth restriction (FGR), a condition where the fetus does not reach its genetic growth potential. The pathological process in FGR involves chronic hypoxemia and nutrient deprivation, which triggers a redistribution of fetal blood flow to vital organs like the brain and heart at the expense of peripheral tissues and non-essential activities like movement. This adaptive mechanism, while initially protective, can lead to adverse long-term neurodevelopmental outcomes. Research indicates that children born with FGR face an increased risk of motor and cognitive impairments . Therefore, a report of absent fetal movement must be immediately investigated to rule out FGR and acute decompensation, which could necessitate urgent delivery. The success of interventions like labor induction in FGR cases depends on multiple factors, including cervical favorability , but the first and most critical step is recognizing the warning sign of absent movement and acting upon it without delay.References (research sources) - [4]Fetal sleep: a cross-species review of physiology, measurement, and classification.Research articleTang W, Vargas-Calixto J, Katebi N, Galinsky R, Clifford GD, Marzbanrad F. (2026) · DOI: 10.1093/sleep/zsag003 ## 임상 시나리오 Clinical Practice Guidance The absence of perceived fetal movement for 24 hours constitutes an obstetrical emergency requiring immediate triage and evaluation. This finding is distinct from the normal reduction in movement amplitude late in the third trimester due to fetal growth and space constraints; a complete cessation of movement is never normal. Immediate Nursing Actions - Place the client in a left lateral tilt position to maximize uteroplacental blood flow and displace the uterus from the vena cava. - Initiate continuous electronic fetal heart rate monitoring to assess the baseline rate, variability, and presence of accelerations or decelerations. - Notify the primary obstetrical provider or hospitalist immediately with a clear SBAR report stating the duration of absent movement and current maternal vital signs. - Prepare for a biophysical profile (BPP) or non-stress test (NST) as ordered to formally evaluate fetal well-being. Patient Education and Anticipatory Guidance Educate all prenatal clients starting at 28 weeks gestation on formal fetal movement counting. Instruct them to choose a consistent time of day, lie on their side, and count distinct movements. They should be advised to report immediately if they perceive fewer than 10 movements in a 2-hour period, or any significant, sustained reduction from the fetus's normal pattern. Emphasize that a "quiet baby" is not a "sleeping baby" when the quiet period is prolonged, and they should never delay evaluation to wait for movement to resume. ## 핵심 개념 - **Kick Counts** — A daily fetal movement assessment method where the mother records the time it takes to feel 10 distinct movements, typically within 2 hours. - **Fetal Compromise** — A state of inadequate oxygenation or nutrient delivery to the fetus, often leading to a reduction in movement as an energy-conserving mechanism. - **Antepartum Fetal Surveillance** — A set of tests and assessments performed during pregnancy to evaluate fetal well-being and identify fetuses at risk for hypoxia or death. - **Fundal Height** — The distance in centimeters from the pubic symphysis to the top of the uterine fundus, which roughly correlates with gestational age between 20 and 36 weeks. - **Sleep-Wake Cycles** — Developmental patterns of fetal activity and rest that reflect central nervous system maturation, with periods of inactivity normally not exceeding 90 minutes. ## 같은 주제 문제 - [A nurse is reviewing ultrasound findings for a pregnant client at 20 weeks gestation. 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