Effect of access to antenatal care on risk of preterm birth among migrant women in Italy: A population-based cohort study.

Moreover, there was an increasing trend of PTB rate with increasing maternal age (from 6 % in young women to 16 % in older ones, p-value for trend <0.0001), unemployed condition (5 % in employed vs 6 % in unemployed women, p < 0.0001), low education (from 5 % in high to 6 % in low education attainment, P < 0.0001), and undocumented migrant status (from 5 % in Italian to 9 % in undocumented women, p < 0.0001) ( Table 1 ). 3.3.

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