Xiaona Xin

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BACKGROUND Folic acid (FA) supplementation before and during the first trimester can reduce the risk of occurrence of preterm delivery (PTD). Preconception body mass index (BMI) is also associated with PTD. This study aimed to investigate the combined effect of FA supplements and preconception BMI on the risk of PTD. METHODS The data of a cohort from(More)
BACKGROUND China has historically been a highly endemic area for hepatitis B infection. Progress has been made in tackling the disease in infants and children, but infection rates remain high in adults, especially in rural areas. Current data on the prevalence of HBV in women of childbearing age is lacking. OBJECTIVES We analyzed the HBV serological(More)
Globally, one third of prevalent chronic hepatitis B (CHB) virus infection (HBV) occurred in China. Assessing the prevalence of CHB infesction and status of HBV-related services among pre-conception women will provide insight into risks of mother to child transmission (MTCT). A cross-sectional analysis of data from the National Free Pre-pregnancy Checkups(More)
OBJECTIVE To investigate the effect of folic acid (FA) supplementation on the risks of preterm delivery (PTD) and small for gestational age births (SGA). DATA SOURCES Cohort studies were identified from MEDLINE, EMBASE, the Cochrane Library, CINAHL, and CBM from inception to January 2015. PARTICIPANTS AND INCLUDED STUDIES Healthy women who want to get(More)
BACKGROUND The effect of second-hand smoking, especially husband smoking, on wife's hypertension has not been well studied. The current study was aimed to assess the association of husband smoking with wife's hypertension among females aged 20 to 49 years. METHODS AND RESULTS This study included 5 027 731 females along with their husbands from the(More)
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