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polo tee shirts Early pregnancy and fetal sex reaction For centuries, people are always looking for a simple way to determine the sex of the fetus, especially for pregnant women, if the signs and symptoms according to the natural one day know the sex of the baby, of course, is a wish wholesale tee shirts for things. Scientists have never stopped efforts in this regard. For example, known as the father of Western medicine the ancient Greek physician Hippocrates once said: cherish pale girl pregnant, and cherish the boy is healthy and radiant. This argument did not polo tee shirts attract everyone's attention, but to a large extent be regarded as ancient superstition and backward medical evidence. However, the latest medical findings seem to joke with people. Stockholm, Sweden Karolinska Medical School epidemiologist, confirmed: pregnancy, wholesale tee shirts severe morning sickness the first three months of women cherish the chance girls than boys. Scientists in Sweden from 1987 to 1995 more than 1 million cases among newborns to inspect, each roughly 50% of men and women, the proportion of normal, but only the first three polo tee shirts months of pregnancy because of severe dizziness and vomiting early reaction (pale ) and the 5900 pregnant women admitted to hospital only to find their male to female ratio of infants born, compared with 44%: 56%, significant difference with the control group. Scientists wholesale tee shirts still can not explain the reason why, but speculate that with their body hCG (the pregnancy resulting from hCG) levels relate to: in the general pregnancy, giving birth to baby girl's mother, the levels of the hormone higher. At the same time, scientists have advised polo tee shirts pregnant women not to have this initial discovery, "action", because according to early response to determine the sex of a baby, after all, than the toss of a coin is not how much clever. More exciting content, please view the blog home child-care division Have wholesale tee shirts come to ask you to stop and see if there are no more the following articles for you to read! Beijing: vocational qualification certificate "for the core" security check the authenticity of the new certificate is available online