What does Justen mean? Justen [justen] as a boys' name is of Latin derivation, and the meaning of Justen is just, upright, righteous. Justen is a version of Justin (Latin): respelling of Justus. ASSOCIATED WITH just. VARIANTS Justynâ¼, Justan, Justain.
Photo Credit baby image by Dron from Fotolia.com. An infant up to 3 months old has a normal body temperature range of 97 to 100.4 degrees Fahrenheit, 36 to 38 degrees Celsius, according to the American Academy of Pediatrics.Temperatures both higher and lower than this range are a cause for concern.hoto Credit baby image by Dron from Fotolia.com. An infant up to 3 months old has a normal body temperature range of 97 to 100.4 degrees Fahrenheit, 36 to 38 degrees Celsius, according to the American Academy of Pediatrics.
If you notice a temperature that is even just slightly above the normal range ââ 38Â°C (101Â°F) taken rectally or 37.5Â°C (99.5Â°F) taken under the armpit â bring your newborn baby to the doctor as soon as possible.Also bring your newborn baby to the doctor if he has any of the following symptoms:n armpit temperature of 37.2Â°C (99Â°F) or higher means a fever. 1  Wait for the thermometer to take the reading. 2  The normal range for a temperature taken under the armpit is 36.7Â°C to 37.1Â°C (98.0Â°F to 98.8Â°F).