Choi Ah-Young, Lee Jun-Yi, Sohn In-Sook, Kwon Han-Sung, Seo Yong-Soo, Kim Myoung-Hwan, Yang Seung-Woo, Hwang Han-Sung
Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul 05030, Korea.
Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University School of Medicine, Seoul 08308, Korea.
Int J Environ Res Public Health. 2021 Sep 8;18(18):9483. doi: 10.3390/ijerph18189483.
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.
羊水对胎儿的健康至关重要。最近的研究表明，孕妇脱水会导致羊水过少。我们评估了夏季和非夏季羊水指数（AFI）的变化，并评估了新生儿结局。我们回顾性分析了2005年7月至2019年7月期间到建国大学医学中心进行产前检查的孕妇的电子病历。在排除不合适的病例后，共纳入了来自6438名单胎孕妇的19724例病例。所有AFI值分为孕中期和孕晚期值。此外，根据季节评估了临界羊水过少（AFI，5 - 8）和正常AFI（AFI，8 - 24）。夏季和非夏季之间的平均AFI仅在孕晚期有统计学差异，但结果无临床意义。在孕晚期，夏季影响临界羊水过少的发生率增加。临界羊水过少组的小于胎龄儿（SGA）率和新生儿重症监护病房（NICU）入住率增加。在夏季，临界羊水过少的发生率有所增加。这一结果对医生和孕妇都具有重要意义。
