How to quickly replenish amniotic fluid in late pregnancy

In the late stages of pregnancy, if there is too little amniotic fluid, it is quite dangerous, which is very detrimental to the health of the fetus. In addition to regular prenatal check-ups, if you find that there is a lack of amniotic fluid, you should replenish it in time. The method of replenishing amniotic fluid is relatively simple. You should drink more water and eat more water-containing foods, which will help to replenish water. Of course, you should monitor the health of the fetus in time.

How to quickly replenish amniotic fluid in late pregnancy

Amniotic fluid refers to the colorless, transparent fluid that surrounds the baby in the uterus during pregnancy. Throughout the pregnancy process, it is an essential component for maintaining fetal life. 98% of amniotic fluid is water, with a small amount of inorganic salts, organic matter and shed fetal cells. Amniotic fluid protects the fetus from external impacts, participates in the fetal metabolism, protects the mother, and reduces discomfort caused by fetal movement. Generally speaking, at 20 weeks of pregnancy, the average is 500 ml;

Around 28 weeks, it will increase to 700 ml; it will be the highest at 32 to 36 weeks, about 1000 to 1500 ml; then it will gradually decrease to about 800 ml at 40 weeks of pregnancy; and it will decrease to 540 ml at 42 weeks of pregnancy. The clinical normal range of amniotic fluid volume is 300 to 2000 ml. Exceeding this range is called "polyhydramnios", and falling short of this standard is called "oligohydramnios". Too little amniotic fluid is a dangerous and extremely important signal for the fetus. If the pregnancy is full-term, the membranes should be ruptured and labor should be induced as soon as possible. If the amniotic fluid is scanty and thick, with severe meconium staining, and fetal distress occurs after rupture of the membranes, it is estimated that delivery cannot be completed in a short period of time. After excluding fetal malformations, cesarean section should be chosen to end delivery. Cesarean section can significantly reduce perinatal mortality compared with vaginal delivery.

In recent years, the application of amniotic fluid infusion in preventing and treating oligohydramnios in the middle and late stages of pregnancy has achieved good results. One of the methods is to place a pressure measuring catheter and scalp electrodes in the amniotic cavity to monitor the fetus during delivery. 0.85% saline at 37°C is infused into the amniotic cavity at a rate of 15 to 20 ml per minute until the deceleration of fetal heart rate variability disappears or the AFI reaches 8CM. Usually, about 250mL (100-700mL) of normal saline solution is required to relieve variable decelerations of the fetal heart rate. If the variable deceleration does not disappear after infusing 800mL, it is considered a failure. Amniotic intravenous infusion can relieve umbilical cord compression, reduce fetal heart rate variation deceleration rate, meconium excretion rate and cesarean section rate, and improve neonatal survival rate. It is a safe, economical and effective method, but multiple amniotic intravenous infusions have complications such as chorioamnionitis.

Reasons for low amniotic fluid:

1. Placenta problem. If there is a problem with the placenta, such as partial abruption, the placenta cannot supply enough blood and nutrients to the baby, resulting in the interruption of amniotic fluid circulation in the fetus. 2. Certain disease factors can cause oligohydramnios. Certain diseases can also cause oligohydramnios, such as chronic hypertension, preeclampsia, diabetes and lupus. 3. Rupture of amniotic membrane. Even a small tear in the amniotic membrane will allow some amniotic fluid to leak out. This can happen at any stage of your pregnancy. However, it is more common near birth. You may discover leakage yourself if you notice your underwear is wet, or your doctor may discover it during an examination. Rupture of membranes increases the risk of infection for you and your baby because it provides a pathway for bacteria to enter the amniotic cavity. Sometimes, a small tear will heal on its own, and the fluid will stop leaking and return to normal levels. This usually happens if the leak was caused by amniocentesis. 4. Fetal malformation. If you are diagnosed with oligohydramnios in early or mid-pregnancy, it may mean that your baby will have birth defects. If your baby has no kidneys, has abnormal kidney development (called Potter syndrome), or has a blocked urethra, he or she may not produce enough urine to maintain the amount of amniotic fluid. Congenital heart defects can also cause this problem. 5. Twins or multiple births. If you are pregnant with twins or more, you may also have oligohydramnios. Oligohydramnios may also occur in cases of twin-twin transfusion syndrome, where one baby has too little amniotic fluid and the other has too much.