LINKED LIVE BIRTHS-INFANT DEATHS AND FETAL DEATH FROM U.S. STATES

其目标是汇集一个多州的婴儿死亡数据文件， 已经执行了与出生证信息的在先链接。 关于胎儿死亡的类似信息，基于2009年12月提交的报告， 还将研究至少20周妊娠的胎儿。 所研究的 包括婴儿和胎儿之间的关联 死亡率与出生证明上的标准信息（例如，出生 体重、胎龄、母亲年龄、种族、产次等）。 的 有关胎儿或婴儿死亡记录的信息包括即时和 与国际人道主义法相对应的基本死亡原因类别 疾病分类（ICD），根据第八或第九 修订ICD代码。 一些额外的数据可从 有关：怀孕期间吸烟、孕妇怀孕前 体重和身高，怀孕期间体重增加，父母职业， 向母亲和婴儿提供的产科和儿科护理水平。

The objectives are to assemble a multi-state data file of infant deaths in which prior linkage with birth certificate information has been performed. Similar information regarding fetal deaths, based on reports filed for fetuses of at least 20 weeks gestation, will also be studied. The studied to be done on the data set include associations between infant and fetal mortality with the standard information on birth certificates (e.g., birth weight, gestational age, maternal age, race, parity, etc.). The information on fetal or infant death records includes immediate and underlying cause-of-death categories corresponding to the International Classification of Diseases (ICD), based on either the eighth or ninth revision of the ICD codes. Some additional data are available from selected states regarding: smoking during pregnancy, maternal prepregnant weight and height, weight-gain during pregnancy, occupation of parents, and the levels of obstetric and pediatric care available to mother and infant.