[Temperature evolution in the first 4 hours of life in the newborn infant]

An investigation on behaviour of body temperature of the newborn is carried out in a sample of 30 neonates, during the period comprised between July and September, 1987. Variability of temperature, mainly in the low-weight newborn, is observed; in half of these newborns, a time longer than two hours was required for temperature regulation. Some variants found in the study are exposed.