Which of the following observations should be recorded as part of a newborn gestational age assessment?

Choice A rationale
Abundant lanugo, which is fine hair, is not typically seen in postmature babies. It is more common in babies who are born prematurely.
Choice B rationale
A positive Moro reflex is a normal finding in newborns, including those who are postmature, indicating a healthy neurological response.
Choice C rationale
Vernix, a white creamy substance that protects the baby’s skin in the womb, is usually absent or very scant in postmature babies.
Choice D rationale
Short, soft fingernails are not a specific sign of postmaturity. Newborns’ fingernails can vary, and they often grow quickly after birth.
Choice E rationale

Cracked, peeling skin is commonly seen in postmature babies. Their skin can often appear dry and wrinkled.

The correct answer is Choice D

Choice A rationale: Notifying the provider is important but not the first priority in this situation. The maternal hypotension (BP 92/54 mm Hg) and elevated maternal heart rate (128/min) suggest decreased perfusion, which can compromise uteroplacental blood flow. Immediate intervention is required before notifying the provider, especially if positioning can restore circulation and fetal oxygenation. Waiting to call without correcting the underlying cause may result in fetal distress or worsening maternal status.

Choice B rationale: While uncontrolled pain may contribute to elevated maternal heart rate, the hypotension and tachycardia suggest a more urgent hemodynamic imbalance. Pain management may become appropriate after stabilizing maternal circulation. Focusing on pain relief first delays essential interventions to improve perfusion, risking fetal compromise due to inadequate uteroplacental oxygen delivery. The fetal heart rate of 130/min is reassuring, but maternal circulation must be prioritized to sustain it.

Choice C rationale: A full bladder can contribute to uterine displacement, but there is no indication in the scenario that bladder distention is an issue. Voiding may be done later but does not address the immediate concern of maternal hypotension and compensatory tachycardia. Uteroplacental perfusion depends heavily on maternal blood pressure, and bladder status has secondary importance in the acute phase of circulatory compromise.

Choice D rationale: Elevating one hip improves venous return and cardiac output by relieving pressure on the inferior vena cava, which is compressed by the gravid uterus in the supine position. This correction reduces hypotension and restores uteroplacental perfusion. The maneuver is a first-line response for maternal hypotension in labor, helping stabilize both mother and fetus quickly. Fetal oxygen delivery depends on adequate maternal perfusion, which this position supports.