Exposure misclassification due to residential mobility during pregnancy
نویسندگان
چکیده
منابع مشابه
Residential mobility during pregnancy and the potential for ambient air pollution exposure misclassification.
Studies of environmental exposures and adverse birth outcomes often rely on maternal address at birth obtained from the birth certificate to classify exposure. Although the gestational age of interest is often early pregnancy, maternal addresses are not available for women who move during pregnancy when using maternal addresses abstracted from birth certificates. The aim of this study was to ex...
متن کاملUnderestimation of risk due to exposure misclassification.
Exposure misclassification constitutes a major obstacle when developing dose-response relationships for risk assessment. A non-differentional error results in underestimation of the risk. If the degree of misclassification is known, adjustment may be achieved by sensitivity analysis. The purpose of this study was to examine the full magnitude of measurement error in determining the prenatal exp...
متن کاملResidential mobility during pregnancy in the north of England
BACKGROUND Many epidemiological studies assign exposure to an individual's residence at a single time point, such as birth or death. This approach makes no allowance for migration and may result in exposure error, leading to reduced study power and biased risk estimates. Pregnancy outcomes are less susceptible to this bias, however data from North American populations indicate that pregnant wom...
متن کاملCongenital Hypothyroidism Due To Maternal Radioactive Iodine Exposure During Pregnancy
Radioactive iodine (RAI) is used effectively in the treatment of hyperthyroidism and thyroid cancer, but it is contraindicated during pregnancy. RAI treatment during pregnancy can lead to fetal hypothyroidism, mental retardation and increased malignancy risk in the infant. Pregnancy tests must be performed before treatment in all women of reproductive age. However, at times, RAI is being used b...
متن کاملExposure to sibutramine during pregnancy.
QUESTION One of my patients who was taking sibutramine to lose weight found out that she had unexpectedly conceived. The medication was stopped as soon as she found out, about 5 weeks into the pregnancy. Is the baby at risk? Should the pregnancy be aborted? ANSWER No data to date suggest that involuntary exposure to sibutramine during pregnancy carries major risk of congenital malformations. ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Hygiene and Environmental Health
سال: 2015
ISSN: 1438-4639
DOI: 10.1016/j.ijheh.2015.03.007