We investigate the association between prepregnancy obesity and birth outcomes using fixed effect models comparing siblings from the same mother. A total of 7,496 births to 3,990 mothers from the National Longitudinal Survey of Youth 1979 survey are examined. Outcomes include macrosomia,...

We investigate the association between prepregnancy obesity and birth outcomes using fixed effect models comparing siblings from the same mother. A total of 7,496 births to 3,990 mothers from the National Longitudinal Survey of Youth 1979 survey are examined. Outcomes include macrosomia,...

This paper investigates the effects of prenatal exposure to extreme temperatures on birth outcomes - specifically, the log of birth weight and an indicator for low birth weight - using a nationally representative dataset in rural China. During the span of our data (i.e., 1991-2000), indoor...