Medical examiner autopsy records identify violent pregnancy-associated deaths, many of which occur early in pregnancy and are missed by other enhanced case-finding techniques that require a record of a birth or fetal death. These deaths are usually excluded from reported maternal mortality ratios. Few studies have evaluated the prevalence of homicide in women of childbearing age, yet understanding the extent of less commonly associated causes of death during pregnancy such as homicide, may lead to improved identification of preventable problems that contribute to maternal morbidity and mortality. This study, which sheds new light on the identifying and reporting of maternal mortality, and specifically on homicide as a form of violence toward pregnant women, should be of particular interest for all women's health providers, as well as public health professionals, researchers, and advocates who are interested in the design, development, and evaluation of prevention programs, especially those directed toward preventable problems such as domestic violence.

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Postmortem distribution concentrations of the pain medication tapentadol and its metabolite N-desmethyltapentadol are reported. Tapentadol (Nucynta®) is a synthetic mu-opioid receptor agonist that also has norepinephrine reuptake inhibitor action. The laboratory received two cases. Case 1: a 19-year-old, morbidly obese male with sudden unexpected death. Toxicology results revealed tapentadol (femoral blood: 0.77 mg/L, liver: 1.65 mg/kg), N-desmethyltapentadol (femoral blood: 0.07 mg/L, liver: 0.19 mg/kg), diazepam (femoral blood: 0.04 mg/L), nordiazepam (femoral blood: 0.06 mg/L) and amiodarone (femoral blood: 5.30 mg/L). Case 2: a 60-year-old female who died from complications following hip replacement. Only tapentadol (femoral blood: 0.26 mg/L, liver: 0.52 mg/kg) was found in the toxicology results. Quantitative results of tapentadol/N-desmethyltapentadol were achieved using liquid chromatography-tandem mass spectrometry in multiple reactions monitoring mode. This is the first known distribution study of tapentadol and N-desmethyltapentadol values in postmortem cases.

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