there are some folk have long measured the gender of the baby

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With this year's "two children alone," the implementation of the New Deal, "birth" has become the central issue more and more families, fetal sex, "guessing game" also began to rage.
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Yesterday, reporters learned from the Municipal Health and Family Planning Commission, Beijing hukou newborns in recent years, and has been "less than female baby male baby," but not to the degree of gender imbalance.
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Beijing household population in 2013 newborns, male and female sex ratio at birth is 106: 100, male babies than female babies "multi born" over 3700; in 2012 more male babies than female babies born over 4500.
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By law, non-medical sex of the fetus can not be identified. As a result, "acid men and hot women" to see belly shape of a series of measurements of fetal sex "folklore" widespread.
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Recently, a baby gender test cup on the Internet became popular, allegedly by morning urine test cup, PH test paper as easily as a baby gender test. However, medical experts said that at present a popular sex speculate these methods are not adequate scientific basis.
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■ visit
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Network transmission "new product" urine apparent sex
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Recently,http://cendt.szpt.edu.cn/bbs/home.php?mod=space&uid=3440787, on the microblogging, Taobao and mothers gathered in the baby trees forum appeared a baby gender test new products. Sellers who have played the "American Shopping", the words "Australia Shopping", said do not do B ultrasound,http://www.lehetj.com/home.php?mod=space&uid=98446, only through urinalysis can quickly learn the baby sex.
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Reporters saw the appearance of this product is a stamped cup, the bottom has orange, green two color contrast strip, ranging in price from 230-380 yuan.
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A Taobao Shopping store representation of the product, the use of this product is very simple, as long as the mothers to collect first morning urine into the cup, then take 20 ml syringe injection test cup from the amount of urine cup, then flat and rotate the test cup, place it on a horizontal table, wait 5 minutes  visual observation to the color bar on the ratio of the test cup, if that girl is closer to orange,http://www.mhuajiang.com/bbs/home.php?mod=space&uid=11008, greenish is a boy.
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By thread can be seen,http://www.ymcy518.com/home.php?mod=space&uid=30904, there are many mothers of this "simple test method" expressed interest.
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■ argument
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HCG levels and sex of the baby
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"Urine test sex" with and without scientific basis? Reporters saw, there are users that this product available in the US, "measured before, are not allowed." There have tested the mothers made plans noted that the measured color ambiguous, not tell, people measure after "more messy . "
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A purchasing seller specifically for the "no" to explain the situation, said,http://pandasan.kuronowish.com/cgi-bin/apbdp_105/apeboard_plus.cgi?command=rp/, "Some mothers pregnancy test six weeks to go, in fact, before being allowed to 10 weeks later." There is also need to wait until after the seller said 20 weeks.
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"There is no scientific basis." Yesterday, the Army deputy director Li Beijing Chaoyang Hospital, said the urine test can detect HCG levels. But not the male hormone HCG level study called "human chorionic gonadotropin", which is the level and the baby gender.
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Army Lai explained that the level of HCG in pregnant women depends on many factors, conditions such as pregnant women, the placenta, ovarian function, how well the placenta blood supply and so on. HCG alone to determine the level of the baby is male or female,hogan outlet donna, is completely unscientific.
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In recent years, Beijing household population births
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■ Verify rumors
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In addition to the "cup test method", there are some folk have long measured the gender of the baby, "the brightest Dafa" - spicy sour male female, see fetal heart speed, look at the belly shape ......
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Yesterday, the Beijing News reporter summed up the various "gender test Dafa" Please help explain the medical expert, were told "do not fly."
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1 Look rumors belly shape
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Male baby: like a big watermelon, so the ball does not look like a circle.
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Female baby: like inflated, hard, round basketball.
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Pregnant belly shape and fetal position concerning
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Army Lai, deputy director of the Chaoyang Hospital, said the shape of the pregnant belly, and the baby's gender has nothing to do. Why pregnant belly shape will be different? On the one hand, and the baby may be the fetal position, the baby's size are related.
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In addition,http://store.shopping.yahoo.co.jp/ebest-dvd/0000000534159.html, pregnant belly shape with their abdominal muscles are. For example, some pregnant stomach more pointed shape, may be due to perennial exercise, abdominal muscles weak; if strong abdominal muscles,http://mituanbbs.com/home.php?mod=space&uid=433, the stomach may be relatively smooth.
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In addition, the shape of the stomach and pregnant women are also the usual way of walking and others have a certain relationship.
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Rumors 2 Look taste "acid men and hot women."
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Male baby: Pregnant women prefer sour flavors.
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Female baby: Pregnant women prefer spicy taste.
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Taste from the "stomach memory"
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Army Lai said that this "acid men and hot women," the legend is very common, but not scientific. Pregnant women after pregnancy because pregnancy reaction, changes in hormone levels, resulting in changes in taste, changes in eating habits are possible.
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Some pregnant women may be due to pregnancy, poor appetite, like spicy things, strong flavor diet helps effectively stimulate the appetite of pregnant women. In addition, pregnant women resist certain foods may be due to "the memory of the stomach," such as had eaten something, cause uncomfortable reaction. But certainly can not draw "acid men and hot women" rule.
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3 Look fetal rumors sooner or later
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Male baby: fetal movement early (16 weeks), a small area of action,nike tn pas cher, kicking.
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Female baby: FM late,canada goose homme, a large area move, the whole body turning.
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Subjective perception of fetal movement sooner or later
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This argument is also very scientific. Army Korea introduced first fetal movement speed sooner or later, to some extent depends on the subjective perception of pregnant women.
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In addition, how fetal situation, and every pregnant woman's abdominal wall will have a different relationship Bohou, if the maternal abdominal wall is thick,giubbotti woolrich, may be relatively late fetal movement can feel the baby in the womb; rather thin abdominal wall of pregnant women might very early feel.
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4 to see the extent of the rumors morning sickness
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Male baby: morning sickness situation is not serious.
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Female baby: spit badly.
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Determine the degree of morning sickness constitution
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Army Lai said, who severe morning sickness, morning sickness who are not serious about the law, there is no clear medical research too. But what is certain is that it does not depend on the baby is male or female.
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The degree of morning sickness in pregnant women may be and diet, pregnant women have a physical relationship.
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From the clinical point of view,nike tn pas cher, the situation is not serious morning sickness in pregnant women in fact the majority,http://lome-ca-bouge.net/spip.php?article4, about 60% of pregnant women are less spit. Only about one-third of pregnant women appear more obvious morning sickness.
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5 Look rumors appearance change
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Male baby: ugly, his face Zhangdou president spot.
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Female baby: become beautiful, the skin is very smooth.
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Skin changes and hormones
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Army Lai, deputy director of the Chaoyang Hospital, a lot of pregnant women think their skin after pregnancy will be some changes, but not directly come because of "ugly become beautiful" is the conclusion of a boy or a girl.
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Skin changes are related to changes in hormonal and pregnant women, but what specific changes will occur, but also the skin's own skin and pregnant women, such as the secretion of oils and fats are. For example, some pregnant women, coarse skin follicles, after pregnancy may increase oil secretion, so he grew up acne.
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Look fetal rumors 6
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Male baby: slow fetal heart rate around 140.
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Female baby: fetal faster, 150 or so.
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Different fetal heart rate varies
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In this regard, Li Army said that as the heart rate varies from person to person, as each baby's heart rate are not the same, you can not draw fast and slow heart rate and gender necessarily linked.
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First, fetal heart rate between 120-160 are within the normal range, as long as the beat in this range, the baby is normal. In addition, even with a baby, under different state measure heart rate may not be the same. For example, baby sleep, heart rate generally will Pianman number.
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Edition have written / Beijing News reporter Wen Ru
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(Original title: urine test sex without scientific basis)
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