Fig. 2

Distributions of source-specific PM10 exposure level in each trimester (T1, T2, and T3) and combined across whole pregnancy period (WP) (a, b, c) (nā=ā12,020). a PM10_road: Local road traffic source PM10 exposure level in T1, T2, T3 and WP. b PM10_other: Local non-traffic source PM10 exposure level in T1, T2, T3 and WP. c PM10_total: Total sources PM10 exposure level in T1, T2, T3 and WP