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. 2016 Aug 31;125(3):453–459. doi: 10.1289/EHP97

Figure 2.

Figure 2

Adjusted relative risk of preterm birth associated with extreme ambient temperature by pregnancy windows. Models were adjusted for all covariates in Table 1, humidity, and study site. *Statistical significance at alpha < 0.05. Abbreviations: PC, preconception; W, week.