Changsha Yuesao training: what is the correlation between the time of pregnancy and the health of me

The longer a woman is ready to have a baby from birth, the greater the chance of having a baby, which may be related to the faster movement of sperm in the carrying chromosome.
 
The time of pregnancy women longevity more women from the boy to the pregnant fetal birth preparation time is longer, the greater the odds of having a boy, and this may carry the sex chromosomes of the sperm movement speed on.
 
On average, 105 boys were born and only about 100 girls were born. One view is that it is associated and in sperm chromosome, because sex chromosome Y determines male sex ratio of female sex chromosome X decided to carry less DNA, which makes the portability of Y chromosome sperm in the female cervical mucus in swimming faster.
 
Luke · of University of Maastricht in Holland; Smits believes that when the cervical mucus is extremely thick, these women may take a longer time, several attempts to conceive, carrying &ldquo light; ” Y chromosome sperm at the advantage is more obvious, the odds of having a boy so large.
 
To test this theory, Smits surveyed 5283 women around the age of 30. Of the 498 women who had been conceived in a natural way for more than 1 years, about 56% of them gave birth to boys. The percentage of boys born in 1 years of age was about 51%. Smits obtained, conceived in a natural way, each spend 1 years time, the boy risk will increase 4%.
 
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