Is it appropriate for a pregnant woman to photograph b for a few months?

In the past, B-Ultra just walked into the county hospital, doctors often encountered such things: (County doctor) had to have a boy, have to see also, in the early days there are crying let us a identification of fetal sex, we say this is the law can not identify fetal sex, most can understand. We are in the home of the "mother-Child Law" strict regulations, prohibit the use of B-ultrasound to identify the sex of the fetus. Except for some genetic diseases. This is to ensure the balance of the proportion of our population. B-Ultrasound in the use of obstetrics, it can be said that pregnant women and fetuses played a role in escort. In developed countries, more than 90% pregnant women receive more than one ultrasound during pregnancy, or even reach 100%. In the remote areas of China, there are many pregnant women can not be in pregnancy to the fetus B-ultrasound, which is why the maternal mortality rate in rural areas is one of the reasons for higher than the city. Therefore, the expert reminds the maternal, for you and the baby's health, please you to treat the B-ultrasonic examination correctly, uses the permissible method to conceive human common next generation. The average person for 18 weeks or less than the fetus is best not to do B-ultrasound, especially in the early stages of pregnancy (except of course special circumstances, such as vaginal bleeding, need to do B-ultrasound to determine whether the fetus is alive, can continue pregnancy, there is no abnormal pregnancy or grape tires, etc.), in the pregnancy in February too much to do B- Pregnancy 4, 5, 6 months due to fetal organ development is not perfect, too much to do B-ultrasound will affect fetal development. Of course there are exceptions when there are exceptions. b Ultrasonic examination time generally after the pregnancy 5--6 month is good, the gestational age is bigger, the ultrasound affects the fetus the smaller. Recommendation: 1, the first check time is in the pregnancy 18-20 weeks, at this time can be determined that the bosom is a single or multiple births, and can measure fetal head circumference. Because this stage fetus B Super Many index error is small, easy to check gestational age. 2. The second check time is scheduled for 28-30 weeks of pregnancy. At this time to do B-ultrasound is to understand the development of the fetus, whether there is a body surface deformity, but also the position of the fetus and the amount of sheep water to further understanding. 3, the last is in the pregnancy 37-40 weeks, at this time to do the B-ultrasound examination is to determine the fetal position, fetal size, placenta maturation degree, there is no umbilical cord around the neck, and so on before the final assessment of labor. Will not have an impact. In economically developed areas with good living conditions (such as Hong Kong), a B-super is needed for every inspection. This is the most effective and safe monitoring of the fetus. But the mainland is sensitive to the problem. The Doctor will wonder if you want to know the sex of the fetus. and the B-super also need a certain fee, so doctors do not recommend often take B-ultrasound. But I think, conditional words more than a few times also no harm (after the pregnancy after the color super or three-dimensional color super better), so you can understand, tracking fetal growth and development situation, problems early detection, early resolution.

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Is it appropriate for a pregnant woman to photograph b for a few months?