Does the Summer Season Affect the Amniotic Fluid Volume during Pregnancy?

Amniotic fluid is crucial for the well-being of the fetus. Recent studies suggest that dehydration in a pregnant woman leads to oligohydramnios. We assessed the variation in the amniotic fluid index (AFI) during the summer and non-summer seasons and evaluated neonatal outcomes. We retrospectively re...

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Published inInternational journal of environmental research and public health Vol. 18; no. 18; p. 9483
Main Authors Choi, Ah-Young, Lee, Jun-Yi, Sohn, In-Sook, Kwon, Han-Sung, Seo, Yong-Soo, Kim, Myoung-Hwan, Yang, Seung-Woo, Hwang, Han-Sung
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 08.09.2021
MDPI
Subjects
Amniotic fluid
Apgar score
Dehydration
Diabetes
Feces
Fetuses
Gestational age
Health care facilities
Humidity
Hydration
Medical records
Neonates
Physicians
Pregnancy
Respiratory distress syndrome
Seasons
Summer
Ultrasonic imaging
South Korea
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Summary:Amniotic fluid is crucial for the well-being of the fetus. Recent studies suggest that dehydration in a pregnant woman leads to oligohydramnios. We assessed the variation in the amniotic fluid index (AFI) during the summer and non-summer seasons and evaluated neonatal outcomes. We retrospectively reviewed electrical medical records of pregnant women who visited the Konkuk University Medical Center for antenatal care, between July 2005 and July 2019. A total of 19,724 cases from 6438 singleton pregnant women were included after excluding unsuitable cases. All AFI values were classified as 2nd and 3rd trimester values. Additionally, borderline oligohydramnios (AFI, 5–8) and normal AFI (AFI, 8–24) were assessed according to the seasons. The average AFI between the summer and non-summer season was statistically different only in the 3rd trimester; but the results were not clinically significant. In the 3rd trimester, the summer season influenced the increased incidence of borderline oligohydramnios. The borderline oligohydramnios group showed an increased small-for-gestational-age (SGA) rate and NICU admission rate. In the summer season, the incidence of borderline oligohydramnios was seen to increase. This result would be significant for both physicians and pregnant women.
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ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph18189483