What does amniotic fluid index mean

Amniotic fluid index more than 24 cm, generally known as polyhydramnios; amniotic fluid index less than 5 cm, generally known as oligohydramnios. Amniotic fluid index between 5~8 cm, generally known as oligohydramnios, other cases, amniotic fluid is generally normal. Among them, oligohydramnios is related to placental function, sometimes it is a chronic manifestation of insufficient placental function and fetal hypoxia. It is necessary to actively carry out diagnostic examination such as fetal heart monitoring. once abnormal, it is often necessary to terminate pregnancy and rescue the child.