Is there a difference between nt and Down's screening in pregnancy test? Both NT screening and Down's screening are used to understand the health status of the fetus, so both can screen the health status of the fetus at an early stage.
NT screening refers to the detection of cervical zona pellucida thickness and maternal serum. The zona pellucida refers to the gap of subcutaneous effusion behind the fetal neck. During ultrasonic scanning, the doctor will measure the thickness of the gap between skin and tissue in detail. Fetal zona pellucida with abnormal chromosomes will be obviously thickened, especially in children with Down syndrome. Down syndrome usually occurs in older women. Medical literature has confirmed that the thicker the zona pellucida in the posterior neck of fetus, the higher the probability of chromosome abnormality. The examination time of NT screening is 1 1- 13 weeks of pregnancy.
Pregnancy examination
Pregnancy examination refers to the special examination conducted by women during pregnancy. It mainly includes height, weight, blood pressure measurement, abdominal circumference, gynecological examination, breast examination, extrapelvic measurement, blood type, anemia examination, electrocardiogram, syphilis serum reaction examination and so on. It helps to know whether the fetus is healthy.
Pregnancy examination schedule for the first pregnancy examination 1, 12 weeks (three months):
File: Go to the hospital at this time and set up a health manual for pregnant women? Documents, the results of each pregnancy test will be recorded for future reference. The examination items mainly include: measuring weight and blood pressure; Doctors conduct consultations; B-ultrasound examination (mainly listening to fetal heart rate, excluding ectopic pregnancy and calculating fetal size); Urine test; Examination of other parts of the body; Draw blood; Check the size of the uterus; Fetal neck transparent belt sieve (mainly to evaluate the possibility of down syndrome in babies).
2. The second physical examination took place in 13- 16 weeks.
Down's disease screening: From the second birth check-up, the basic rational checks that future expectant mothers must do every time include: weighing; Take blood pressure; Urine test; Measure the height of the palace; Abdominal circumference; Ask and check the baby's fetal heart sound and compare it with the last test report.
3./Kloc-Third check-up in 0/7-20 weeks.
Basic examination: This stage is mainly to do some routine basic routine examinations, but at this time, doing B-ultrasound can more accurately investigate the sex of the fetus. At this stage, pregnant women should pay attention to a balanced diet to avoid excessive or insufficient weight gain; Most pregnant women are prone to leg cramps at this stage and need to supplement calcium and iron in time; In order to make the pregnancy process smoother, you can start doing some simple gymnastics every day.
4.2 1-24 weeks for the fourth delivery check-up.
Screening for gestational diabetes mellitus: Most gestational diabetes mellitus is performed in the 24th week of pregnancy. The hospital will let expectant mothers drink 50g glucose water first, and then draw blood for test one hour later.
Anemia is easy to occur after the middle term, so it is recommended to eat more iron-containing food. Such as liver, spinach, raisins, oysters, eggs, etc. At the same time, pay attention to fetal movement, and if you have time, you can record the times in detail for medical staff's reference.
5. The fifth check-up is 25-28 weeks.
Hepatitis B antigen, syphilis serum test, rubella: The most important thing at this stage is to draw blood for expectant mothers to check hepatitis B and syphilis. Pregnant women should pay more attention to the intake of sugar and salt in their diet. At the same time, we should know more about pregnancy and delivery, pay attention to the symptoms of bleeding and abdominal pain at any time, and find out early emergency premature delivery.
6. The sixth check-up is 29-32 weeks.
Lower extremity edema, preeclampsia and prevention of premature delivery: After 28 weeks of pregnancy, doctors will check the edema of expectant mothers one after another. Because most pre-eclampsia will occur after 28 weeks of pregnancy, doctors usually take the blood pressure measured by expectant mothers as the basis. If the measurement results show that the expectant mother's blood pressure is high, and there are clear proteinuria and systemic edema, then the expectant mother should pay more attention to avoid the risk of preeclampsia.
In addition, expectant mothers should pay special attention to prevent premature delivery 37 weeks ago. If the pain lasts for more than 30 minutes and continues to worsen, and there is vaginal bleeding or water discharge, you must be sent to the hospital immediately for examination.
In the late pregnancy, if there is persistent uterine contraction for less than ten minutes, pregnant women should judge whether it is the beginning of labor. At this time, if accompanied by defecation, it may enter the labor stage, and pregnant women must go to the hospital immediately.
7. The seventh check-up is 33-35 weeks.
Ultrasound (B-ultrasound) examination, assessment of fetal weight: After 30 weeks, prenatal examination of pregnant women every 2 weeks/kloc-0 times. At the 35th week of pregnancy, it is recommended that expectant mothers have a detailed ultrasound examination to evaluate the fetal weight and development at that time (for example, all fetuses with preeclampsia look petite) and estimate the fetal weight at full term.
Once the fetus is found to be underweight, expectant mothers should add more nutrition; If the fetus is found to be overweight, the expectant mother should control her diet slightly, so as to avoid the need for cesarean section in the future, or the fetus is difficult to deliver during the production process.
At this time, it is necessary to consult a doctor about cesarean section, painless delivery and husband's accompanying delivery. Understand the hospital delivery room, baby room and other environments; Go through the maternity leave formalities and carry a health card or a health manual for pregnant women with you when you go out; Do proper exercise, such as walking.
The eighth examination in weeks 8 and 36.
Preparation for delivery: check-up once a week from 36 weeks, and do fetal monitoring every time. Start preparing things for production so as not to miss them in a hurry that day.
Due to the more frequent fetal movements, expectant mothers should always pay attention to the fetus and their own situation to avoid premature delivery.
The ninth examination in weeks 9 and 37.
Pay attention to fetal movement: understand what the hospital may provide and what you need to bring, such as health cards; Husband and wife ID card, birth certificate, marriage certificate, money and so on. Understand the production progress and practice properly. Keep proper exercise and pay attention to diet. Generally speaking, it is more appropriate to eat less and more meals.
10, 38-42 weeks, the tenth check-up.
Fixed fetal position, fetal head down, ready for delivery, considering delivery: from 38 weeks, fetal position began to be fixed, fetal head down, stuck in the pelvic cavity. At this time, expectant mothers should be prepared to give birth at any time. Some expectant mothers still have no signs of delivery after 42 weeks, so doctors should consider using oxytocin.
Wonderful recommendation:
Can amniocentesis for ectopic pregnancy with four-dimensional color Doppler Down's screening for varicose veins and false contractions lead to dyspnea? Does the baby move during contractions? Is the sex of the fetus 100% accurate by B-ultrasound?