There will always be such or such emergencies in the third trimester. For example, many expectant mothers found that there is little amniotic fluid in the fetus during the pregnancy test, which is very dangerous for the baby. Therefore, we must pay attention to this problem. What are the remedial measures for the lack of amniotic fluid?
Once the pregnant women find that the amniotic fluid is too little, they must do a good job of pregnancy inspection regularly and deal with it under the guidance of doctors. Oligohydramnios in pregnant women may be congenital malformations such as congenital renal dysplasia or urethral atresia; Placental problems, some diseases of pregnant women (such as chronic hypertension, pre eclampsia, diabetes, etc.) or multiple births may also result in oligohydramnios of pregnant women. Placental problems refer to that if placental abruption occurs, the placenta will not provide the necessary nutrition for the fetus, resulting in the interruption of amniotic fluid circulation, reduction of amniotic fluid, etc. Pregnant women with oligohydramnios are generally not feeling, so we must do a good pregnancy test, early detection and early treatment.
1. If there is amniotic fluid leakage, the uterine height is smaller than the actual gestational week or the baby does not move much, the doctor may suspect that you have too little amniotic fluid.
2. When pregnant with the baby in front of the fetus, there was intrauterine growth restriction;
3. Pregnant women have chronic hypertension, preeclampsia, diabetes, lupus and other diseases;
4. If the pregnant woman has passed the pre delivery period, the doctor may pay special attention to the problem of oligohydramnios.
The most common causes of oligohydramnios are as follows:
1. The rupture of amniotic membrane will cause the amniotic fluid to flow out even if there is only a small crack on the amniotic membrane. This can happen at any stage of pregnancy. However, it is more common near production. Rupture of the amniotic membrane increases the risk of infection in the pregnant mother and fetus, because rupture of the membrane provides a pathway for bacteria to enter the amniotic cavity. Sometimes, the small crack will heal itself, the amniotic fluid will not leak out, and the amniotic fluid volume will return to normal. If amniotic fluid leakage is caused by amniocentesis, this is usually the case.
2. Placental problems lead to oligohydramnios. If there is a problem with the placenta, such as partial abruption, the placenta will not supply enough blood and nutrients to the fetus, which will lead to the interruption of amniotic fluid circulation.
3. Fetal malformation leads to oligohydramnios. If oligohydramnios are detected in the early or mid pregnancy, it may indicate that the fetus will have birth defects. If the fetus has no kidney, abnormal kidney development (Porter's syndrome), or urinary obstruction, it cannot produce enough urine to maintain amniotic fluid. Congenital heart defects can also cause this problem.
4. Oligohydramnios is one of the characteristics of IUGR. Chronic hypoxia causes redistribution of fetal blood circulation, which mainly supplies the brain and heart, while the decrease of renal blood flow and fetal urine production results in oligohydramnios.
5. The placental function is decreased, the perfusion is insufficient, the fetus is dehydrated, and the amniotic fluid is less. Some scholars also think that the sensitivity of renal tubules to antidiuretic hormone is increased when the fetus is over mature during the overdue pregnancy. The incidence of oligohydramnios caused by the overdue pregnancy is 20% - 30%.
What are the symptoms of oligohydramnios? Generally speaking, oligohydramnios are mainly manifested as follows:
1. The fetal movement of the pregnant mother is obvious, and she feels abdominal pain during the fetal movement.
2. The uterus is sensitive, the examination often causes the uterus to contract because of the slight stimulation.
3. The fetal heart rate was accelerated, and the abdominal circumference and uterine height were smaller than those of the same period.
4. The duration of pregnancy is prolonged, usually 2-3 weeks longer than the expected period.
5. Amniotic fluid is rare, thick, mostly yellow green, which can lead to fetal hypoxia.
6. In the process of delivery, primary uterine atony or discordant uterine contraction often occurs, and the dilation of the uterine orifice is slow, which is easy to cause the prolongation of the first labor process.
How to improve the amniotic fluid shortage of pregnant women
First of all, in the case of ensuring that the fetus is free of deformities, a comprehensive examination is carried out according to the number of weeks of pregnancy and the health of the fetus, and then the appropriate infusion is guided by the doctor.
Secondly, if pregnant women do not have any other complications, but the simple amniotic fluid is less, they can usually eat more fresh green vegetables and fruits, and increase the intake of vitamin C. if they need to take vitamin C supplements, they should be under the guidance of doctors to avoid vitamin C poisoning.
Third, if the pregnant women are lack of blood volume or lack of oxygen, they can drink a lot of water, soup, infusion and oxygen supplement, which also has a certain effect.
Fourthly, in the case of oligohydramnios caused by hyperhemolysis, hypodermic injection of low molecular weight heparin can be used to facilitate the smooth blood circulation of placenta and the formation of amniotic fluid. If the condition is serious, amniotic cavity irrigation can also be used.
Fifthly, if fetal malformation leads to oligohydramnios, or oligohydramnios of pregnant women lead to fetal lesions or asphyxia, the pregnancy should be terminated immediately.