In a striking new study, researchers report that keeping extremely preterm newborns warm through early skin-to-skin contact can be as thermally stable as traditional incubator care. The findings address a long-standing challenge in neonatal medicine: how to maintain a narrow temperature range in babies born at the edge of viability, where even small shifts can affect vital organ function and long-term outcomes.
The research focuses on infants delivered at 22–25 weeks’ gestation, a period when immature thermoregulation makes temperature control especially difficult. In such babies, maintaining skin temperature depends on a balance between heat production and heat loss to the environment—processes that are highly vulnerable in the first days of life.
To test whether early skin-to-skin care could match incubator-based thermal management, the investigators conducted a non-inferiority prospective cohort study. Non-inferiority framing is crucial here: the goal is not necessarily to prove that skin-to-skin is superior, but rather that it performs well enough not to fall below accepted thermal safety margins.
Clinically, skin-to-skin care means placing the infant directly on the parent’s bare chest, supported by careful monitoring and protective measures to limit heat loss. Incubator care, by contrast, relies on engineered warming systems that regulate ambient temperature. Both approaches aim to prevent hypothermia, but they do so through different physical mechanisms—direct maternal heat transfer versus controlled environmental heating.
The study’s emphasis on “thermal stability” highlights that the team likely tracked temperature trends over time, not just single measurements. Continuous or repeated temperature monitoring can reveal whether infants maintain stability during common transitions, such as adjustments in handling, care routines, and early stabilization after birth.
Results indicate that early skin-to-skin contact did not compromise thermal stability compared with incubator care within the study’s non-inferiority framework. This suggests that, when implemented with appropriate safeguards and monitoring, skin-to-skin positioning can support neonatal thermoregulation even at extremely low gestational ages.
Beyond temperature numbers, the implications are broader. Skin-to-skin care is also associated with parent–infant bonding and may influence stress physiology—factors increasingly considered alongside temperature control in modern neonatal pathways.
The authors conclude that early skin-to-skin care can be a viable alternative to incubator-based thermal management for infants born at 22–25 weeks’ gestation, potentially enabling more human-centered care in the earliest hours while maintaining physiologic safety.
Subject of Research: Neonatal thermal management in extremely preterm infants
Article Title: Thermal stability during early skin-to-skin vs incubator care in infants born at 22–25 weeks’ gestation: a non-inferiority prospective cohort study.
Article References: Starke, V., Thernström Blomqvist, Y., Lindhagen, L. et al. J Perinatol (2026). https://doi.org/10.1038/s41372-026-02829-0
Image Credits: AI Generated
DOI: https://doi.org/10.1038/s41372-026-02829-0
Keywords: (Not provided)
Tags: early neonatal temperature management strategiesimpact of skin-to-skin contact on preterm infant stabilityincubator versus skin-to-skin care in neonatal thermoregulationmaternal-infant skin-to-skinneonatal hypothermia in extremely preterm infantsneonatal intensive care unit temperature control methodsneonatal thermoregulation in preterm infantsnon-inferiority studies in neonatal careskin-to-skin contact benefits for preemiesthermal stability in 22-25 week preterm infants
