Is an amniotic fluid index of 157 mm normal?
Under normal circumstances, an amniotic fluid index (AFI) of 157 mm is generally considered normal. The specific analysis is as follows:
The amniotic fluid index is a method used to assess the volume of amniotic fluid in pregnant women, also known as amniotic fluid depth. The normal range for the amniotic fluid index is 50 mm to 250 mm. An AFI greater than 250 mm may indicate polyhydramnios (excessive amniotic fluid), while an AFI below 50 mm may suggest oligohydramnios (insufficient amniotic fluid). Therefore, an AFI of 157 mm falls within the normal range. If the AFI falls outside the normal range, it may be associated with fetal urinary excretion abnormalities, fetal gastrointestinal obstruction, or fetal cardiovascular issues. Excess amniotic fluid may also exert pressure on the fetus, potentially leading to abnormal fetal position, restricted fetal movement, or placental compression.
Patients are advised to promptly communicate and consult with their doctor if they experience any discomfort, and undergo further examinations and evaluations to ensure the health and safety of both mother and baby.