High-temperature exposure and risk of spontaneous abortion during early pregnancy: a case–control study in Nanjing, China

Zhao, Shuangshuang; Xu, Jie; Li, Wen; Lǚ, Yingying; Huang, Ling; Xu, Haoyi; Shi, Mingxia; Wang, Yan; Zhu, Qiaoying; Xu, Qing

doi:10.1007/s11356-022-24315-8

Cited by 9 publications

(7 citation statements)

References 30 publications

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“…Negative heat‐health outcomes for pregnant people included obstetric complications such as placental abruption, 20 gestational hypertension, 15,22 gestational diabetes mellitus (GDM), 23 cardiovascular events, 24 preterm birth (PTB), 5,11,13,17,24–34 miscarriage, 22,35–37 stillbirth, 5,10,13,18,25–27,37–40 and potential impacts on maternal mental health 41 . Neonatal complications included fetal distress, 42 neonatal intensive care unit (NICU) admissions, 43 fetal growth restriction or low birth weight, 4,13,25,26,29,44 congenital birth defects, 26,45–47 diarrheal disease, 48–50 vector‐borne diseases (VBDs), 51–55 and sudden infant death syndrome (SIDS) 56 …”

Section: Heat‐related Mortality and Morbiditymentioning

confidence: 99%

“…Miscarriages affect approximately 20% of all pregnancies globally 36 . Several studies suggest a positive relationship between increasing temperature and increased risk of miscarriage 22,35–37 .…”

Section: Heat‐related Mortality and Morbiditymentioning

confidence: 99%

“…Miscarriages affect approximately 20% of all pregnancies globally. 36 Several studies suggest a positive relationship between increasing temperature and increased risk of miscarriage. 22,[35][36][37] For example, a case-control study in Nanjing, China found that increases in ambient temperatures higher than the median temperature of 62.6°F (17°C) gradually increased the risk of miscarriage.…”

Section: Miscarriagementioning

confidence: 99%

“…36 Several studies suggest a positive relationship between increasing temperature and increased risk of miscarriage. 22,[35][36][37] For example, a case-control study in Nanjing, China found that increases in ambient temperatures higher than the median temperature of 62.6°F (17°C) gradually increased the risk of miscarriage. 36 The effect of extreme heat (91.4°F [33°C]) on the probability of miscarriage (2%-5% increase) was especially pronounced during summer and transitional months (OR, 2.07; 95% CI, 1.36-3.16).…”

Section: Miscarriagementioning

confidence: 99%

“…22,[35][36][37] For example, a case-control study in Nanjing, China found that increases in ambient temperatures higher than the median temperature of 62.6°F (17°C) gradually increased the risk of miscarriage. 36 The effect of extreme heat (91.4°F [33°C]) on the probability of miscarriage (2%-5% increase) was especially pronounced during summer and transitional months (OR, 2.07; 95% CI, 1.36-3.16). 36 A crosssectional study of the Ghana Maternal Health Survey found that with each 1.8°F (1°C) increase in wet bulb globe temperature (WBGT) the risk of miscarriage rose by 12% to 15%.…”

Section: Miscarriagementioning

confidence: 99%

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The Impact of Extreme Heat Exposure on Pregnant People and Neonates: A State of the Science Review

Baharav,

Nichols,

Wahal

et al. 2023

J Midwife Womens Health

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The relationship between heat exposure and perinatal morbidity and mortality is of increasing concern as global temperatures rise and extreme heat events become more frequent and intense. Heat exposure can lead to a multitude of harmful outcomes for pregnant individuals and neonates, including hospitalization and death. This state of the science review explored the evidence on the associations between heat exposure and negative health outcomes during pregnancy and the neonatal period. Findings suggest that improving health care provider and patient awareness of heat‐related risks and implementing specific interventions could mitigate adverse outcomes. Furthermore, public health and other policy interventions are needed to increase thermal comfort and reduce societal exposure to extreme heat and related risks. Early warning systems, medical alerts, provider and patient education, and increased access to health care and thermal comfort may improve pregnancy and early life health outcomes.

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