.Publisheru00e2 $ s note Springer Attributes continues to be neutral for jurisdictional insurance claims in posted maps and also institutional affiliations.This is a conclusion of: Hanson, C. et al. A time-stratified, caseu00e2 $ "crossover research study of heat direct exposure and perinatal mortality from 16 medical facilities in sub-Saharan Africa. Nat. Medication. https://doi.org/10.1038/s41591-024-03245-7 (2024 ).