Periodic breathing in a newborn is defined as pauses in respiratory movements that can last for up to how many seconds?

Periodic breathing in a newborn refers to a pattern where there are pauses in respiratory movements, which can last up to 20 seconds. This phenomenon is a normal finding in neonates, especially those who are preterm, and it typically occurs due to the immaturity of the brain centers that control breathing.

The pauses, known as apneas, can be followed by a resumption of normal breathing. While it is common for parents or caregivers to observe these patterns, it is essential for healthcare providers to assure them that these episodes are generally benign in the context of healthy term newborns.

Understanding this time frame helps differentiate normal neonatal physiology from pathologic conditions. The significance of identifying the correct duration is critical; longer pauses, especially those extending beyond 20 seconds, could indicate the need for further clinical evaluation, as they may be associated with apnea of prematurity or other respiratory disorders.