Pregnant women need to undergo many examinations before giving birth. These examination items can help doctors better understand the physical condition of pregnant women and enable them to give birth more effectively. Prenatal and prenatal hepatitis B examination is a very important way of examination. You can learn a lot of information about pregnant women through prenatal hepatitis B examination. So what is prenatal hepatitis B examination? What should be noted for prenatal blood tests?
What is prenatal hepatitis B examination
Prenatal hepatitis B examination is to find out whether she has hepatitis B. Women with hepatitis B can only be pregnant after their condition is controlled. If they are only carriers of hepatitis B virus, they must also be checked to confirm that the virus will not affect the baby before they are ready for pregnancy.
What should be paid attention to in prenatal blood test for hepatitis B
Generally, during pregnancy, doctors will prescribe three blood tests:
First time: During early pregnancy, a preliminary understanding of various physical indicators of the pregnant woman will be conducted, and blood tests will be taken together with LG. Of course, during this period, LG draws about 3-5 tubes of blood, each containing approximately 3ML, but pregnant women are far more than that! During the first prenatal examination, 10 blood samples of approximately 3ml each should be drawn, mainly to check whether various body indicators are normal and to provide the attending physician with information on the pregnant woman's physical condition.
The second blood test will be conducted before 15-20 weeks of pregnancy for early screening. The main examination for this time is the Down syndrome screening, which usually needs to be conducted between 15-20 weeks of pregnancy. Sugar screening is mainly used to screen for congenital Down syndrome (21-3 body syndrome), with a detection rate of 48-83%. The amount of blood drawn this time is not large, only 3 test tubes are needed.
The third blood draw will be around 24 weeks, with the purpose of conducting a blood glucose test to rule out gestational hyperglycemia. Some hospitals will conduct surveys on progesterone and other indicators at the same time. This blood draw is divided into three times, with three tubes (3ml) drawn on an empty stomach first; Afterwards, drink 250-300 glucose containing warm water and perform a second blood draw 1 hour after the first one, using the same three test tubes (3ml); Then draw a third dose (3ml) every hour.
Firstly, according to the doctor's advice, it is necessary to perform on an empty stomach each time. Many pregnant women may experience dizziness after drawing blood, so it is important to be accompanied by family members and bring breakfast for timely supplementation. Especially the first and third blood draws were large.
As mentioned above, we must have a hepatitis B test before delivery in order to have a good baby. After all, every pregnant woman will have this once, giving birth, taking care of the child, getting pregnant, and so on. So, here is a reminder that prenatal hepatitis B examination is a must. First, you need to know what prenatal hepatitis B examination is, and then if you need to go to the hospital to ask the doctor and treatment in time. Finally, if you feel good, please continue to pay attention to this website.
