To estimate the national pregnancy-associated homicide mortality ratio, characterize pregnancy-associated homicide victims, and compare the risk of homicide in the perinatal period (pregnancy and up to 1 year postpartum) with risk among nonpregnant, nonpostpartum females aged 10-44 years.

中文翻译：

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2018-2019 年美国怀孕和产后期间的凶杀案。

旨在估计全国与妊娠相关的凶杀死亡率，描述与妊娠相关的凶杀受害者的特征，并将围产期（怀孕和产后 1 年）的凶杀风险与 10-44 岁非怀孕、非产后女性的凶杀风险进行比较。