Gestational Diabetes, Birth Weight, Sex Ratio, and Cesarian Section

Knights et al. (1) reported on the sexes of the offspring of 216 women with gestational diabetes (GDM) and 216 control subjects without GDM, all of whom underwent cesarian section. The sex ratio (proportion male) for the control offspring was significantly higher than that for the offspring of the GDM women. The birth weights and gestational ages of the offspring from the two groups of women showed no appreciable differences, even when offspring sex was controlled. These authors claimed that their data do not support the suggestion that the …