Drop of live births 9 months after Fukushima
In the study region around Fukushima (Fukushima+Iwate+Miyagi+Gunma+Tochigi+Ibaraki+Chiba), the number of live births dropped in December 2012 by 10% (P<1E-6). This drop translates to 1247 missing births. No abnormal deviations are found in the months before and after December 2011.
Upper panel: Monthly number of live births in the study region around Fukshima and trend line. Lower panel: Deviation of live births from expected trend in units of standard deviations (standardized residuals)