Ma'anar ƙamus na mutuwar jariri yana nufin mutuwar jaririn da bai wuce kwanaki 28 ba. Wannan kalma ce ta likitanci da ake amfani da ita don kwatanta mutuwar jariri a cikin makonni huɗu na farko na rayuwa. Ana iya haifar da mutuwar jarirai ta hanyoyi daban-daban, ciki har da cututtuka na haihuwa, cututtuka, rikice-rikice a lokacin daukar ciki ko haihuwa, ko wasu yanayin kiwon lafiya.
