.Publisheru00e2 $ s note Springer Nature continues to be neutral with regard to managerial claims in released charts and institutional affiliations.This is actually a conclusion of: Hanson, C. et al. A time-stratified, caseu00e2 $ "crossover research study of warmth direct exposure as well as perinatal death from 16 hospitals in sub-Saharan Africa. Nat. Medication. https://doi.org/10.1038/s41591-024-03245-7 (2024 ).