What is one non-invasive method to assess a newborn's respiratory effort?

Observation of chest rise and fall is an effective non-invasive method to assess a newborn's respiratory effort because it allows for direct visual evaluation of the infant's breathing pattern. By watching the chest rise and fall, healthcare providers can determine if the baby is breathing effectively, how deeply they are breathing, and whether the respiratory rate falls within a normal range. This method is immediate and does not require any additional equipment, making it suitable for quickly assessing a newborn's respiratory status in various settings, including during delivery and in the neonatal period.

While other methods listed could provide information about a newborn's respiratory health, they may not be as straightforward or as direct as observation. Listening for wheezing sounds requires training and a quiet environment, which may not always be available. Measuring blood oxygen levels involves using a pulse oximeter and can be considered a more invasive method, introducing devices onto the newborn. Checking skin color can offer insights into the overall oxygenation and circulation but does not provide information specifically related to the act of breathing itself. Observing chest rise and fall, therefore, serves as a foundational and effective non-invasive method for assessing respiratory effort in newborns.