In addition, a study in Ghana did not find a significant trend between average wet bulb globe temperature (WBGT) values and odds of stillbirth or miscarriage. 46 The study suggests that every 1°C increase in heat stress exposure as indicated by WBGT resulted in an insignificant 15% increase in the odds of having a stillbirth or miscarriage in Ghana. 46 There are also mixed results on the impact of extreme heat on birth weight, with four included studies researching this outcome.
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A scoping review on heat indices used to measure the effects of heat on maternal and perinatal health.
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