After a woman becomes pregnant, having more amniotic fluid is not necessarily better. On the contrary, having too much amniotic fluid may lead to premature birth or pregnancy related diseases. So what is the normal range for amniotic fluid at 35 weeks of pregnancy?
At 35 weeks of pregnancy, the amniotic fluid index is normal between 8-18cm. If the amniotic fluid index is less than 8cm, it is called oligohydramnios, and if it is greater than 18cm, it is called polyhydramnios. The depth of amniotic fluid is 3-8cm, and the normal amount of amniotic fluid is 300-2000ml. Pregnancy at 35 weeks belongs to the late stage of pregnancy, and ultrasound examination should be performed to pay attention to the condition of amniotic fluid. There are usually two situations that occur:
1. Hyperhydramnios: A significant increase in amniotic fluid can elevate the diaphragm in pregnant women, leading to symptoms such as difficulty breathing. In severe cases, it may be appropriate to puncture some amniotic fluid to alleviate symptoms. At the same time, check whether the fetus has digestive system developmental disorders. The common type is tracheoesophageal fistula. In addition, it is necessary to check whether the development of the fetal nervous system is normal. Amniotic fluid excess may be related to pregnancy diabetes. A 75g glucose tolerance test is required. Pregnant women usually suffer from gestational diabetes. Suggest a low carbohydrate diet and appropriate exercise to control blood sugar. Fasting blood glucose should be below 5.1mmol/l, and 2-hour postprandial blood glucose should be below 6.7mmol/l.
2. Oligohydramnios: If oligohydramnios is found at 35 weeks of pregnancy, attention should be paid to whether the fetal heart rate is normal and fetal heart rate monitoring should be performed. The fetal heart rate accelerates significantly and changes well, indicating that the fetus is relatively safe in utero. It is recommended that pregnant women lie on their side, drink plenty of water, take appropriate oxygen therapy, and pay attention to fetal movement monitoring. After one week, conduct a color ultrasound re examination and pay attention to changes in amniotic fluid depth. When the amount of amniotic fluid gradually decreases, it is recommended to terminate the pregnancy by cesarean section. If the fetal heart rate monitoring chart shows recurrent delayed deceleration or variable deceleration, considering acute fetal distress, immediate cesarean section should be performed to avoid neonatal asphyxia or death. If the amount of amniotic fluid decreases, attention should also be paid to whether the pregnant woman has premature rupture of membranes. After premature rupture of membranes occurs, immediate hospitalization and delivery are required. Induced abortion can be done naturally or with oxytocin to avoid intrauterine infection.
