Prepregnancy Risk Factors for Preterm Birth and the Role of Maternal Nativity in a Low-Income, Hispanic Population
Objectives ::: The aim of this study was to assess potential prepregnancy risk factors for preterm birth in a low-income, Hispanic population in Southern California. Additionally, the study assessed whether the prevalence of preterm birth and any associations between risk factors and preterm birth differed between U.S.- and foreign-born mothers.
The growing number of rural-labors and ways changes of migration leads to the appearance of the groups of ru-ral-labor's kids.The social and economic structure in our country cause the barriers which block the living,education andemployment of rural-labor's kids.To change the situation of these kids,we should reform the policies and systems,im-prove the qualities of rural labors and their kids.