Not too long ago, newborns were primarily assessed at birth using the Apgar score, with skin color to estimate oxygen levels and counting heart rate by palpation or auscultation. However, this method proved subjective, prompting the introduction of technology into delivery rooms. Pulse oximeters were implemented to provide more objective and accurate measurements of oxygen saturation and heart rate. While no clinical trials have linked pulse oximetry use to improved outcomes in newborns, international resuscitation guidelines now recommend its usage.1

Since the adoption of pulse oximetry, various devices capable of measuring and monitoring physiological parameters have been introduced in delivery rooms. These tools facilitate measurements of physiological changes crucial during the transition at birth. Consequently, researchers have seized the opportunity to test interventions and utilize these measurements as study outcomes. This approach has proven invaluable in demonstrating that scientific principles observed in animal models largely apply to humans, albeit with potential differences.2

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