<Ul> <Li> AFI is the score ( expressed in cm ) given to the amount of amniotic fluid seen on ultrasonography of a pregnant uterus . To determine the AFI , doctors may use a four - quadrant technique , when the deepest , unobstructed , vertical length of each pocket of fluid is measured in each quadrant and then added up to the others , or the so - called `` Single Deepest Pocket '' technique . </Li> <Li> An AFI between 8 - 18 is considered normal . Median AFI level is approximately 14 from week 20 to week 35 , when the amniotic fluid begins to reduce in preparation for birth . </Li> <Li> An AFI < 5 - 6 is considered as oligohydramnios . The exact number can vary by gestational age . The fifth percentile for gestational age is sometimes used as a cutoff value . </Li> <Li> An AFI > 20 - 24 is considered as polyhydramnios . </Li> </Ul>
<Ul> <Li> AFI is the score ( expressed in cm ) given to the amount of amniotic fluid seen on ultrasonography of a pregnant uterus . To determine the AFI , doctors may use a four - quadrant technique , when the deepest , unobstructed , vertical length of each pocket of fluid is measured in each quadrant and then added up to the others , or the so - called `` Single Deepest Pocket '' technique . </Li> <Li> An AFI between 8 - 18 is considered normal . Median AFI level is approximately 14 from week 20 to week 35 , when the amniotic fluid begins to reduce in preparation for birth . </Li> <Li> An AFI < 5 - 6 is considered as oligohydramnios . The exact number can vary by gestational age . The fifth percentile for gestational age is sometimes used as a cutoff value . </Li> <Li> An AFI > 20 - 24 is considered as polyhydramnios . </Li> </Ul>
what is the normal range of afi in pregnancy
what is the normal range of afi in pregnancy
between 8 - 18
between 8 - 18