Journal of Pregnancy / 2014 / Article / Fig 1

Research Article

Maternal Opioid Drug Use during Pregnancy and Its Impact on Perinatal Morbidity, Mortality, and the Costs of Medical Care in the United States

Figure 1

Rates (per 1,000 pregnancy-related discharges) of selected comorbidities, by opioid use status, among pregnancy-related discharges, NIS, 1998–2009. HIV = human immunodeficiency virus, NIS = Nationwide Inpatient Sample

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