For mothers having their first baby, the total sex ratio at birth was 1.06 overall, with some years at 1.07. For mothers having babies after the first, this ratio consistently decreased with each additional baby from 1.07 towards 1.03. The age of the mother affected the ratio: the overall ratio was 1.05 for mothers aged 25 to 35 at the time of birth mothers who were below the age of 15 or above 40 had babies with a sex ratio ranging between 0.94 and 1.11, and a total sex ratio of 1.05