The human species has an inherent bias in its male -to- female sex ratio at birth. Biologists and demographers have long wondered why this.
Usually, the sex ratio (numbers of boys born divided by the numbers of girls born) is Reduced ratio of male to female births in several industrial countries: A.
The “ sex ratio at birth” is defined as the number of male live births for every 100 female births. Accurate figures for sex ratio at birth are difficult to. Microsoft Excel: How to count Male and Female, Male:Female ratios (including rounding)