Amniotic Fluid Index (AFI) for Normal Pregnant Women in Northeastern Thailand

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Bunpot Samakeenit
Piyamas Saksiriwuttho
Thawalwong Ratanasiri
Ratana Komwilaisak

Abstract

Objective: To construct normal reference chart of amniotic fluid volume by using the amniotic fluid index (AFI) method from 20 to 40 weeks of gestation in northeastern Thailand.


Materials and Methods: All recruited 381 pregnant women with an uncomplicated singleton pregnancy from 20 to 40 weeks of gestation in northeastern Thailand from March 1, 2013 to June 30, 2014 enrolled in this study. All of them had an abdominal ultrasonography for amniotic fluid measurement using AFI method. Stat software was used to analyse the data and mean of the AFI was used in each gestational age.


Results: Mean AFI in study is 13.85 (± 3.61) cm. AFI trends to increase from GA 20 weeks to GA 29 weeks. The highest mean AFI is 15.38 cm at GA 29 weeks. Then the AFI trends to decline until GA 40 weeks. The normal reference chart of AFI was then established in this study.


Conclusion: The author established normal reference chart of AFI for northeastern Thai pregnant women that can be implemented in the population of this region. The result from this study can be used to develop reference standard criteria for oligohydramnios and polyhydramnios in Thailand.

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How to Cite
(1)
Samakeenit, B.; Saksiriwuttho, P.; Ratanasiri, T.; Komwilaisak, R. Amniotic Fluid Index (AFI) for Normal Pregnant Women in Northeastern Thailand. Thai J Obstet Gynaecol 2015, 23, 12-17.
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Original Article