How many ultrasound examinations are needed during pregnancy?Please collect the ultrasonic examination strategy during pregnancy during pregnancy …

After pregnancy, the mood of pregnant mothers is both excited and nervous.

Previous ultrasound examinations can be found and diagnosed a variety of congenital structure malformations of the fetus, which is a necessary examination during pregnancy.But how many ultrasound examinations are needed during pregnancy?When do you do?For pregnant mothers, let’s take a look.

Under normal circumstances, pregnant mothers who conduct regular births at Qingdao Women’s and Children’s Hospital need to perform at least 6 ultrasonic examinations during pregnancy, but according to the different situations of pregnant women, the corresponding number of ultrasonic examinations may be increased.

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The first ultrasound examination (ultrasound examination during early pregnancy)

pregnant for around 7 weeks

Calculated based on the first day of the last menstrual period, you can do the first ultrasonic examination at about 7 weeks of pregnancy. This examination is mainly to determine whether the ectopic pregnancy, the position and structure of the pregnancy sac, and determine the development of the embryo.And early detection of abnormal uterus and accessories, such as uterine malformations, fibroids, etc.Be sure to empty the bladder before super check!If it is an ultrasound of the abdomen, you need to urinate!

Second ultrasound examination (NT check)

11-13+6 weeks pregnant

This examination was held at 11-13+6 weeks of pregnancy.NT refers to the thickness of the transparent layer of the posterior neck of the fetus, which is usually greater than 3mm. It is considered to be thickened. It has certain correlation with the abnormalities of chromosomes such as trisomotherapy 21, a variety of fetal structure malformations and genetic syndrome.The ultrasound report is generally only reflected in the NT value, but the general development of the fetus will also pay special attention to carefully checking.

Note: Under normal circumstances, there is no need to urinate.NT examinations have high requirements for fetal posture. When the fetal position is not good, the pregnant mother needs to be reviewed after the appropriate activity.It is important that pregnant mothers must be checked at the hospital at 11-13+6 weeks of pregnancy.

The third ultrasound examination (routine screening ultrasound examination in the middle of pregnancy)

18-22 weeks of pregnancy

This examination is mainly carried out at 18-22 weeks of pregnancy. The main detection of the growth and development of the fetus: double-top diameter, head circumference, abdominal circumference, femoral length, and check the position of the placenta and the amount of amniotic fluid.Structural deformity.

Note: There are no special precautions this time, as long as the fetal posture is coordinated.

The fourth ultrasonic examination (large row of tertiary ultrasound examination, very important !!!)

24-26 weeks of pregnancy

This examination is the prenatal ultrasound examination of the fetus, commonly known as the "large row defaults", which is generally checked at 24-26 weeks of pregnancy. The purpose is to check whether the fetus has structural defects, that is, it is mainly for the nine deformity of the nine types of deaths stipulated in the current state.(Cerebral membrane -free, severe meninge brain swelling, severe open spine spinal spinal spinal bulge, single ventricular, single major arteries, kidney absence, severe chest and abdominal wall damage, internal organs, severe limbs, severe shortness of death to death.Sex cartilage development) check.

However, due to the effects of medical technology and mother, fetal factors (such as pregnant women’s abdominal wall fat thickness, fetal position, amniotic fluid amount, etc.), this examination also has limitations.It may not be expressed to a certain extent, and ultrasound examination cannot detect fetal chromosomal abnormalities, intelligence, vision, hearing and metabolic diseases.

This inspection time is the longest and requires the cooperation of the baby’s posture.Pregnant mothers should maintain good physical strength and mood to complete the most important test!

The fifth ultrasound examination (small row malnut examination in the third trimester)

28-32 weeks of pregnancy

This inspection is mainly performed in 28-32 weeks, which is usually called "small row defaults". It is a supplement to large rows of deformed examination.In the case, you can also screen some abnormalities that occur in the third trimester.

Sixth ultrasound examination

38-40 weeks of pregnancy

This examination was carried out before giving birth (38-40 weeks of pregnancy), and the fetal double-top diameter, head circumference, abdominal circumference, and femoral length were conventional to evaluate the weight of the fetus;Auxiliary obstetrics evaluate the comprehensive situation of pregnant mothers and fetuses, and make full preparations for the birth of the fetus.

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