How many weeks of pregnancy is best for glucose tolerance

How many weeks of pregnancy is best for glucose tolerance

For women who are pregnant for the first time, some people don’t even know what the glucose tolerance test is. Some people know about it but know very little about it. Here, all expectant mothers should read this. You need to know the length of pregnancy before you can do the glucose tolerance test. Then let’s find out together, how many weeks of pregnancy should you do the glucose tolerance test?

At what week of pregnancy should I do a glucose tolerance test?

If the glucose screening data of a pregnant woman shows a high risk, doctors will generally recommend another glucose tolerance test (grape glucose tolerance test) to diagnose whether she suffers from hyperglycemia in the pregnant woman. High blood sugar in pregnant women can have a variety of adverse effects on pregnant women and fetuses. Therefore, it is best for pregnant women who meet the conditions to undergo a sugar screening test to detect whether they have high blood sugar and treat it as soon as possible.

At present, hospitals in my country widely use the national standards of the Ministry of Health for the diagnosis of gestational diabetes, that is, for pregnant women with normal blood sugar in early pregnancy, it is recommended to conduct a 75g reliable glucose tolerance test at 24-28 weeks of pregnancy to test blood sugar levels on an empty stomach and 1 hour and 2 hours after drinking sugar. If any one of the three items reaches or exceeds the specified value, that is, the blood sugar level and the blood sugar level 1 hour and 2 hours after taking sugar are respectively: 5.1mmol/L, 10.0Mmol/L, and 8.5mmol/L, then gestational diabetes can be diagnosed. It is not difficult to find that many examinations will be conducted in the time range of 24-28 weeks, because this time range is very important for pregnant women and fetuses, because at this stage the fetus has been formed, various organs have also developed, and it is the best time to observe the fetus. The glucose tolerance test is particularly important for expectant mothers and babies. Therefore, pregnant mothers should attach great importance to the glucose tolerance test and pay attention to the best time for the glucose tolerance test.

Is there any difference between Down syndrome screening and glucose tolerance?

Down syndrome screening and glucose tolerance testing are completely different tests. Down screening is a prenatal selection test for Down syndrome. It is a screening method that assesses the risk of a fetus having Down syndrome before delivery through B-ultrasound examination, blood test, etc. The glucose tolerance test is the general name for the grape glucose tolerance test, which is a test method based on blood sugar testing before and after meals to determine whether there is gestational diabetes. Down syndrome is also known as trisomy 21, congenital idiocy. It means that the patient's 21st pair of sex chromosomes has one vacancy compared to normal people (normal people have one pair). It is the most common sex chromosome aneuploidy disease. Down syndrome screening is performed at a specific gestational week by testing the components of PAPPA, AFP, HCG, uE3 and Inhibin A in the pregnant woman's blood cells, combining the pregnant woman's age, gestational age, weight, smoking status, and the presence of insulin-dependent diabetes with other clinical information, and then calculating the risk value using risk assessment software. The critical point is 1/250-380 (due to different methodologies, the value may be different). If it is higher than this value, it is high risk; if it is lower than this value, it is low risk.

The probability of the general population (under 35 years old) suffering from Down syndrome (DS) is 1/750. According to the examination time, it is divided into early pregnancy (9-13 weeks) and mid-pregnancy (14-21 weeks). Down screening test is the general name for prenatal selection test for Down syndrome. The purpose is to comprehensively determine the risk of the fetus having Down syndrome by testing the pregnant woman's blood and combining other clinical information. If the Down screening test data shows that the fetus has a high risk of Down syndrome, further diagnostic tests should be carried out - amniocentesis or chorionic villus sampling.

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