status, income quartile, patient urban-rural designation, hospital geographic region and hospital teaching status. We compared data to visits by women in the same age range without an EC diagnosis. Z-tests were performed to assess any significant differences between groups. RESULTS: The estimated number of encounters for EC in the ED decreased significantly during the study period.
Peer reviewed eScholarship.orgPowered by the California Digital Library University of CaliforniaConclusions: While preference for effective contraception was common among this sample of women, we found substantial mismatch between preferred and usual methods, notably among women of lower socioeconomic status and among women using less effective methods. Objectives: Pregnancy with an in situ intrauterine device (IUD) is associated with increased incidence of abortion. However, other pregnancy outcomes with IUDs are not well described. We aimed to determine the association between IUDs present during pregnancy and the occurrence of abortion (spontaneous or induced), preterm delivery (PTD) and small-for-gestational-age (SGA) newborns. Methods: We analyzed the National Inpatient Sample (NIS) database for the years 2010 and 2011. The NIS is a database of all-payer inpatient hospital stays collected from about 1000 hospitals across the United States from different hospital settings, care levels and diverse population. We identified the presence of an in situ IUD during delivery, spontaneous or induced abortion, PTD and SGA newborns using ICD-9 codes. We used chi square and Fisher's Exact Tests to calculate the odds of abortions, PTD and SGA newborns among women with IUDs compared with those without IUDs. We repeated the analysis using logistic regression models to control for possible confounders including maternal race, age, hypertension, diabetes, infections, obesity, smoking and many others. The presence of an IUD in situ during pregnancy was associated with increased risk for spontaneous and induced abortions. IUDs were also associated with preterm deliveries but not with small-for-gestational-age infants.http://dx
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