It is best for pregnant women to have a few weeks of large ovulation. Generally, pregnant women can be examined about 18-28 weeks. Four-dimensional color Doppler ultrasound can display the color, face and development of various organs of the fetus, and even the state of the fetus in the mother can be observed. It can be used for early diagnosis of fetal malformations, such as cleft lip, cleft palate, skeletal dysplasia and cardiovascular malformations. Understand a fetal movement process of fetal intrauterine dynamics, and then dynamically record the fetal intrauterine state for permanent commemoration.
Generally, Down's screening is done around 17 weeks, that is, fetal neural tube malformation is checked, and a three-dimensional B-ultrasound can be done from 24 to 26 weeks, so that the development of the fetus can be seen intuitively, and whether the fetus has cleft lip and palate and visceral development can be seen.
It is best to have an ultrasound examination at the 0/8 ~ 20 weeks of pregnancy. During this period, all organs of the fetus have developed completely. Careful B-ultrasound examination can show whether every important organ is abnormal. Fetal malformation can be found early, pregnancy can be terminated in time, and the impact on the mother's body is also small. In the future, if there is no abnormality, you can wait until the last few weeks of pregnancy to do another B-ultrasound examination to estimate the size of the fetus and understand the position of the placenta and the amount of amniotic fluid.
Regular pregnancy tests should be done during pregnancy to closely observe the development of the fetus. Color Doppler ultrasound examination is necessary. Generally, obvious limb abnormalities or deformities can be clear, but they are not absolute. It is suggested that it is better to follow the opinions of clinicians according to your own situation.
The benefits of prenatal checkup for pregnant women 1, and the degree of difficulty in delivery can be predicted: prenatal checkup also plays a great role in delivery. Through comprehensive systematic examination, we can know the posture and development of the fetus in the mother's body, then make predictions, understand the degree of difficulty in delivery, and be aware of it before taking corresponding measures to make up for it.
2, early detection of pregnancy complications: some pregnancy complications can be found early through prenatal examination. Such as pregnancy poisoning, placenta previa, placental abruption and so on, these serious complications have a certain threat to the lives of pregnant women and fetuses. Most of all kinds of pregnancy complications occur in pregnant women who do not have prenatal examination, and most of these complications can be prevented by prenatal examination and taking measures. Therefore, no matter how busy women are at work, they should never fail to go to the prenatal examination on time for fear of trouble.
3. You can learn about the development of the fetus: expectant mothers regularly go to the hospital for prenatal examination, and through hysteroscopy and laparoscopy, you can learn about the development of the fetus, and whether there are any abnormalities, such as dysplasia and deformity. If there are abnormalities, you can take remedial measures in time to protect the health of expectant mothers and fetuses. If it is impossible to continue to give birth, you need to terminate the pregnancy.
4, timely understanding of fetal development: regular prenatal examination can understand and master the fetal development.
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