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Do Men with High Testosterone Have Girls?

Published in Reproductive Biology 2 mins read

No, men with high testosterone are not more likely to have girls. In fact, the available research suggests the opposite.

How Testosterone Levels Impact Offspring Sex Ratio

According to research, higher testosterone levels in men around the time of conception are linked to a higher probability of having sons, not daughters.

  • Testosterone and Sex Ratio: Studies indicate that elevated parental testosterone levels during conception tend to skew the sex ratio towards male offspring. This means, that men with higher testosterone levels at the time of conception are more likely to have sons.
  • Hormonal Influence: The hormonal environment at conception plays a crucial role in determining the sex of the offspring in mammals.
  • Biological Mechanism: The exact mechanism behind this link is still being researched. However, it is understood that hormonal conditions significantly influence which sperm fertilizes the egg.

Key Takeaway

Factor Likely Offspring Sex
High Testosterone Sons
Lower Testosterone Daughters

It's important to note that while testosterone levels influence sex ratio, it is not the only factor. Many other biological and environmental aspects also play a significant role.

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