What is the minimum amniotic fluid index?

Patient's question:

I am very scared when this happens. I often experience lower abdominal pain and don't know how to solve it, so I came here to consult. Please ask, how much is considered low for amniotic fluid index?

Doctor's answer:

Generally speaking, amniotic fluid depth of 3-7 cm is normal, exceeding 7 cm indicates polyhydramnios, and less than 3 cm indicates oligohydramnios. The amniotic fluid index (AFI) of 8-20 cm is considered normal. When the AFI is less than 5 cm, it indicates oligohydramnios, and exceeding 20 cm indicates polyhydramnios. Hello, this condition may have some impact. It is recommended to undergo regular prenatal examinations, such as ultrasound for fetal anomaly screening and Down syndrome screening, while under the guidance of a doctor, taking medication to regulate the condition.

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