Does obesity reduce the chance of a wife having a daughter?

According to the British "Daily Mail" reported on September 24, recent surveys and studies have shown that a man's weight will affect the ratio of boys to girls. Obese men greatly reduce the chance of a wife having a daughter!

Prior to this, women's life and health had always been the subject of fertility research. In recent surveys, it was found that a man's weight has a significant impact on the probability of having a boy and a girl. A man's weight does not affect his chances of having a child, but obese men reduce his wife's chances of having a daughter.

China researchers studied 8500 couples undergoing fertility treatment to see whether a man's weight affected his chances of having a boy and a girl. Among them, couples with thin men gave birth to a total of 611 boys and 569 girls. The proportion of boys born to families with overweight and obese men is 27% higher than that of normal men.

Researchers at Peking University Hospital said the study showed that obese men are prone to a higher sex ratio than normal men. The magazine Fertility and Infertility shows that the truth behind this phenomenon is not yet known. However, female partners of obese men are more vulnerable during pregnancy, mainly due to early susceptibility to miscarriage.

Professor Fisher of the IVF clinic said: "The finding is interesting, but more work is needed to confirm the results and find possible explanations."

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