Amniotic fluid aspiration is a gynecological surgery that holds special and extraordinary significance for expectant mothers. The method of amniocentesis is also a concern for many friends. However, not everyone can undergo amniocentesis. So, who is not suitable for amniocentesis? How to do amniocentesis? Let's take a look.
Who is not suitable for amniocentesis
For expectant mothers with low-risk Down syndrome screening, amniocentesis is not necessary because it carries certain risks. For expectant mothers at high risk of mid-term Down syndrome screening, amniocentesis must be performed to confirm whether the fetus is Down syndrome. Only through amniocentesis can the risk of birth defects be minimized to the greatest extent possible.
However, not all pregnant women need to undergo amniocentesis. Generally speaking, high-risk mothers over the age of are recommended to undergo amniocentesis. Because the proportion of women over 35 years old giving birth to babies with Down syndrome is higher than that of women under 35 years old, amniocentesis is not mandatory for this group of people. However, for the health of the next generation, doctors suggest that amniocentesis is the best option. For those under the age of 35 who are found to have high-risk factors after undergoing intravenous Down syndrome screening, amniocentesis should also be performed for safety reasons.
In addition, pregnant women who have given birth to a child with chromosomal abnormalities must undergo amniocentesis for the health of their offspring; Pregnant women who have been exposed to toxic substances and radiation during pregnancy may also have adverse effects on their fetuses, so amniocentesis is necessary to avoid regret in the future.
How to do amniocentesis
Firstly, expectant mothers with indications should undergo B-ultrasound to determine the position of the placenta and the condition of the fetus, in order to avoid accidental injury to the placenta;
Secondly, after selecting the injection point, disinfect the skin, lay a disinfectant cloth, locally anesthetize, and use a waist piercing needle with a needle core to vertically pierce the selected point;
Thirdly, when the needle passes through the abdominal and uterine walls, there are two instances of failure, and the needle core is removed;
Fourth, use a 2ml syringe to aspirate 2ml of amniotic fluid and discard it. This segment of amniotic fluid may contain maternal cells;
Fifth, use a 20ml empty needle to aspirate 20ml of amniotic fluid, and place them in two sterilized test tubes with caps;
Sixth, remove the needle, cover it with disinfectant gauze, compress for - minutes, and the expectant mother should rest in bed for 2 hours;
Seventh, obtain the chromosome karyotype after 7-14 days of amniotic fluid cultivation, and then observe and analyze whether there will be chromosomal abnormalities.
In summary, it is best for elderly mothers not to undergo amniocentesis, as it is not good for both the baby and themselves. amniocentesis should pay attention to various issues. The editor suggests that pregnant women should communicate more with doctors, regularly check their bodies, read more medical books to understand and learn.
