Is the amniotic fluid index at 31 weeks high?

Patient's question:

At 39 weeks of pregnancy, BPD 91mm, FL 71mm, HR 129 bpm, amniotic fluid depth 40mm, placental thickness 35mm, maturity 2 degrees. Is this data normal? The day before, I went to the hospital for a check-up, and the doctor took a BC amniotic fluid index of 201mm. What help do you need: Will this affect the baby?

Doctor's answer:

According to your BPD91mm, FL71mm, HR129 times per minute, your child's current weight is about 6.5 jin, which is normal and does not need to be discussed. The issue that needs to be discussed is the amniotic fluid. We say the deepest normal amniotic fluid is 5cm-8cm, and the normal amniotic fluid index is 8cm-18cm. In late early pregnancy, the amount of amniotic fluid is mainly judged according to the amniotic fluid index. Currently, whether it is the deepest amniotic fluid or an index of 40mm, it is considered to be less amniotic fluid. However, you mentioned that the amniotic fluid index was 2.01mm the previous day, which was considered to be more. Without eliminating the measurement error, another reason is that the amniotic fluid changes greatly, which may be related to your uneven daily water intake. However, according to your observations, there are no particularly significant problems. It is recommended that you have a B check-up once a week and prepare actively for the arrival of your child. Wishing you all the best.

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