How many B -ultrasound do you have to do during pregnancy?What do you check every time?Understand

Pregnant mothers must be no stranger to B -ultrasound, but at least how many B -ultrasound should be done from pregnancy to childbirth?What is the B -ultrasound check each time?Please take this pregnancy test.

The first time: Clear pregnancy

Women who are married for childbearing age, when their relatives of each month, aunt, do not come as scheduled, should first think of whether they are pregnant.At this time, you need to do an ultrasound test during early pregnancy to clarify whether you are pregnant.

The purpose of this ultrasound inspection:

① Determine the position of the gestational sac and eliminate ectopic pregnancy;

② Evaluate the pulsation of gestational weeks, germ and fetal heart;

③ Determine the number of embryos;

④ Scan the situation of the uterus and bilateral accessories of pregnant women.

Second time: NT value measurement (11-13 weeks 6 days in pregnancy)

11-13 weeks of fetal ultrasound examination items: NT (neck transparent layer thickness), nasal bone, heart rate, judgment of twin pregnancy chorus membranes, etc.

NT value is a more sensitive indicator of chromosomal malformations such as 21-trio syndrome (Tang’s syndrome). This ultrasound examination can find some severe structural malformations during early pregnancy.

Reminder: The fetal position is high. If the fetal position is not good, the pregnant woman needs to be reviewed after the appropriate activity.

The third time: conventional screening (15-19 weeks 6 days)

Ultrasound tests and serum screening in the middle of pregnancy, preliminary screening is whether there are fetal malformations.

Fourth time: 4D examination (20-24 weeks of pregnancy)

After the early birth check, mothers during pregnancy ushered in another big test.This is the legendary "big row" inspection.

At this time, the space of the fetus in the uterus is relatively large, and the amniotic fluid is appropriate. Ultrasonic can conduct systematic and detailed inspections of the fetus’s head, facial, abdomen and abdomen, long bones, and accessories of the fetus through multiple observation angles.

It takes a long time and focuses on the severe malformations of the fetus, such as no brain, severe brain swelling, severe developmental spine cracks, severe chest and abdominal wall defects with internal organs, single cavity hearts, and dysplasia of cartilage.

Reminder: This examination depends on a lot of content. The examination time is relatively long, and the abdominal wall fat, amniotic fluid, and fetal location of the pregnant woman will be different.Check it when the fetal position changes.

Fifth time: Systemic color Doppler ultrasound inspection (29-32 weeks of pregnancy)

A test of the abnormal abnormal structure of the fetus is to be checked to exclude some fetal development abnormalities that may occur in the late pregnancy, monitor the growth and development of the fetus, and check whether the fetus has limited growth, the abnormality of amniotic fluid and umbilical cord.

Sixth time: Before childbirth (37 weeks of pregnancy to before birth)

October conceive, once gave birth.Shopping or cesarean section?Ultrasound cannot directly give suggestions, but it can provide important data for obstetricians to help clinical choice of childbirth.

The main purpose of this prenatal ultrasound assessment: determine the fetal position, evaluate the growth and development indicators of the fetus, and give the fetal weight; evaluate the amount of amniotic fluid and placenta; evaluate the umbilical blood flow situation, there is no umbilical cord around the neck, etc.

Generally, throughout pregnancy, at least 5-6 ultrasound examinations are required. According to the actual situation of pregnant mothers and fetal baby, the number of times will be appropriately increased.

Note: The purpose of the article is to provide general health information, which cannot replace any personal medical diagnosis and treatment.

Pregnancy Test Midstream 5-Tests