What is the normal AFI at 37 weeks?
Table 1
| Gestational age | Mean | 95th percentile |
|---|---|---|
| 36 weeks | 13.17 | 15.7 |
| 37 weeks | 12.48 | 15.1 |
| 38 weeks | 12.20 | 14.7 |
| 39 weeks | 11.37 | 14.4 |
What is the normal AFI at 30 weeks?
From a median of 10.3 cm (range, 8.7-13.7, 5th-95th percentile) at 15 weeks’ gestation, the amniotic fluid index rose progressively to a maximum median of 14.0 cm (range, 4.0-18.6) at 30 weeks. The index then gradually declined to a median of 9.1 cm (range, 4.8-14.2) by 40 weeks’ gestation.
What should AFI be at 40 weeks?
AFI values from 34 to 40 weeks; mean, standard deviation, and percentile values (all in centimeters)….Table 1.
| Gestational age | 40 weeks |
|---|---|
| 10th percentile | 8.8 |
| 50th percentile | 10.8 |
| 90th percentile | 13.5 |
| 95th percentile | 13.7 |
What is a normal AFI at 36 weeks?
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. An AFI < 5-6 is considered as oligohydramnios. The exact number can vary by gestational age.
What happens if AFI is high?
Women with polyhydramnios may experience premature contractions, longer labor, difficulties breathing, and other problems during delivery. The condition can also cause complications for the fetus, including anatomical problems, malposition, and, in severe cases, death. Treatment aims to remove excess amniotic fluid.
What should be AFI at 34 weeks?
From 34 weeks through to labor, the fluid decreases to about 400 ml . Doctors use a scale called the amniotic fluid index (AFI) to check healthy levels of amniotic fluid. AFI measurements are in centimeters (cm). A typical AFI score is 5–25 cm .
What is normal AFI at 25weeks?
How many cm of amniotic fluid is normal?
A normal amniotic fluid index is 5 cm to 25 cm using the standard assessment method. Less than 5 cm is considered oligohydramnios, and greater than 25 cm is considered polyhydramnios.
What is amniotic fluid index (AFI)?
Amniotic fluid index (AFI) is the estimate of the volume of the fluid occupying the bag of waters that surround the unborn baby inside the uterus (called as the amniotic fluid) of a pregnant woman. This routinely used index of fetal well-being uses ultrasound to measure the amount of amniotic fluid. The normal range for the AFI is 5-18 cms.
What does AFI stand for in pregnancy?
The amniotic fluid index (AFI) is a test often performed weekly toward the end of pregnancy in women with high blood pressure, diabetes or other medical problems.
What does it AFI in pregnancy terms?
AFI is the score (expressed in cm) given to the amount of amniotic fluid seen on ultrasonography of a pregnant uterus.
What does AFI mean in pregnancy?
AFI: this stands for amniotic fluid index, a less reliable measurement which some doctors still use. Your sonographer will look at the picture of your womb, divide it into four quarters, and measure the amount of fluid in each quarter. The average of these measurements is your AFI.