What is a normal temperature range for infants?

The normal temperature range for infants is typically defined as 97-100.4°F. This range is important for assessing the health of infants, as they can be more susceptible to temperature fluctuations than older children and adults. Maintaining a stable body temperature is crucial for an infant's development and well-being, and deviations from this range can indicate illness or other health concerns.

The provided range accounts for normal variations in body temperature due to factors such as the time of day, the method of measurement (oral, rectal, or axillary), and the infant's level of activity. Understanding this temperature range is essential for parents and caregivers, as it aids in prompt recognition of fever or hypothermia, which can be critical in emergency care situations.

Other ranges, such as those presented in the other options, do not accurately reflect the commonly accepted normal temperature range for infants. For instance, temperatures lower than 97°F may indicate potential health issues, and upper limits significantly exceeding 100.4°F typically suggest a fever that could require further investigation by medical professionals.