Passive smoking and preterm birth in urban China.
نویسندگان
چکیده
Studies investigating the relationship between maternal passive smoking and the risk of preterm birth have reached inconsistent conclusions. A birth cohort study that included 10,095 nonsmoking women who delivered a singleton live birth was carried out in Lanzhou, China, between 2010 and 2012. Exposure to passive smoking during pregnancy was associated with an increased risk of very preterm birth (<32 completed weeks of gestation; odds ratio = 1.98, 95% confidence interval: 1.41, 2.76) but not moderate preterm birth (32-36 completed weeks of gestation; odds ratio = 0.98, 95% confidence interval: 0.81, 1.19). Risk of very preterm birth increased with the duration of exposure (P for trend = 0.0014). There was no variability in exposures by trimester. The associations were consistent for both medically indicated and spontaneous preterm births. Overall, our findings support a positive association between passive smoking and the risk of very preterm birth.
منابع مشابه
Associations between Passive Maternal Smoking during Pregnancy and Preterm Birth: Evidence from a Meta-Analysis of Observational Studies
Previous studies investigating the relationship between passive maternal smoking and preterm birth reveal inconsistent results. We conducted the current meta-analysis of observational studies to evaluate the relationship between passive maternal smoking and preterm birth. We identified relevant studies by searching PubMed, EMBASE, and ISI Web of Science databases. We used random-effects models ...
متن کاملAdverse effects of parental smoking during pregnancy in urban and rural areas
BACKGROUND Parental smoking during pregnancy is associated with lower birthweight and gestational age, as well as with the risks of low birthweight (LBW) and preterm birth. The present study aims to assess the association of parental smoking during pregnancy with birth outcomes in urban and rural areas. METHODS This was a secondary analysis of data collected in the Indonesia Family Life Surve...
متن کاملارتباط سطح سرمی CRP نیمه اول بارداری با وقوع زایمان زودرس و کم وزنی زمان تولد
Background & Objective: Preterm labor is a major risk factor of mortality and morbidity in newborns and fetuses. Low birth weight is also a risk factor for mortality and various neonatal diseases. This study aimed to determine the association between the CRP levels in first trimester of pregnancy with low birth weight and preterm labor. Methods & Materials: In this prospective cohort study, ...
متن کاملEFFECT OF PASSIVE SMOKING DURING PREGNANCY ON WEIGHT, LENG TH AND CRANIAL CIRCUMFERENCE AT BIRTH IN KERMAN, IRAN
Passive smoking (PS), a well-known health risk, is the major source of indoor pollution. There is some inconsistent evidence that PS during pregnancy may increase the risk of low birth weight. The aim of the present study was to determine the effects of PS exposure during pregnancy on weight, length and cranial circumference at birth of babies born to women who have described themselves ...
متن کاملAssessment the Preterm Birth Risk Factors in Fatemieh Hospital of Hamadan, Iran; 2017-2018
Background Preterm birth significantly affects the neonates’ survival. It also increases the risk of neonatal complications, prolongs the hospitalization period, and imposes high costs on the public health system. This study is aimed to assess the risk factors of the preterm birth. Materials and Methods This case-control stud...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- American journal of epidemiology
دوره 180 1 شماره
صفحات -
تاریخ انتشار 2014