The risk of achieving no pregnancy was also increased for particulate matter, being significant or close to significance for exposures during 3D for PM 2.5 (OD 1.60, 95% CI 0.98 – 2.61), PM coarse (OR 1.81, 95% CI 0.95 – 3.49) and PM 10 (OR 1.59, 95% CI 1.02 – 2.47) (Fig. 2 ).
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