IN WHICH PERIODS MORE MEN ARE BORN

 The sex ratio at birth is typically close to 50:50, with roughly equal numbers of male and female babies born each year. However, some studies have shown that certain periods may be associated with a higher number of male births than female births. In this article, we will explore which periods more men are born and the possible reasons behind this phenomenon.

One study published in the journal Human Reproduction found that more male babies are born in the spring and summer months than in the fall and winter months. The study analyzed the sex ratios of over 30 million births in the United States and found that the proportion of male babies born peaked in May, June, and July. This trend was consistent across different regions of the United States and was observed over a period of several decades.

Another study published in the journal PLOS ONE found a similar pattern in Denmark. The study analyzed the sex ratios of over 5 million births in Denmark between 1876 and 2008 and found that more male babies were born in the months of March through August. The researchers speculated that this pattern may be related to seasonal changes in temperature or sunlight, which could affect the survival of male and female sperm or the development of male embryos.

However, not all studies have found a significant seasonal variation in the sex ratio at birth. A study published in the journal Epidemiology analyzed over 140 million births worldwide and found no significant seasonal variation in the sex ratio. The researchers noted that previous studies may have been affected by bias or confounding factors, such as variations in the timing of conception or cultural practices that affect the reporting of sex at birth.

In conclusion, some studies have suggested that more male babies may be born in the spring and summer months than in the fall and winter months. The reasons behind this phenomenon are not yet fully understood and may be influenced by a variety of factors, including temperature, sunlight, and cultural practices. Further research is needed to fully explore the patterns of sex ratio at birth and their potential implications for human populations.