Study Identifies Correlation Between Sex Ratios At Birth and Latitude

For further information, contact Melissa Maimann at Essential Birth Consulting. Link to article

Although researchres have known for decades that more boys than girls are born throughout the world, a new study published ... shows that the closer a population lives to the equator, the smaller the difference becomes ...

... there was a significant correlation between sex ratios that were skewed toward boys and climate variables related to latitude. African countries had the lowest sex ratios, with 50.7% of births being boys, while European and Asian countries had the highest, with 51.4% of births being boys. According to the study, the effect of latitude was present across wide variations in lifestyle and socioeconomic status, with large differences in sex ratios between tropical regions closer to the equator and temperate regions farther from the equator ...

... One explanation could be that there is a survival value in producing more girls in warmer regions ... Other theories include the quality of sperm at different temperatures causing variations, or "some event during gestation at warmer temperatures that causes more male fetuses, or fewer female fetuses, to spontaneously abort," ...

Melissa Maimann, Essential Birth Consulting 0400 418 448