Prenatal diagnosis for paediatricians

Summers, Anne

doi:10.1093/pch/8.1.25

Cited by 1 publication

(1 citation statement)

References 46 publications

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“…When analyzing the normal ranges presented in the literature [6,12,13], it can be shown that the ranges are consistent with the normal ranges of the fetal ear length shown in this paper based on the data from our tertiary center. The available literature focuses mainly on the assessment of the fetal ear in terms of aneuploidy, such as trisomy 13, 18, and 21, and finds quite a statistically significant correlation between aneuploidy and smaller ears in fetuses observed in prenatal life [14][15][16][17][18]. According to them, small ears can constitute a useful tool in the prediction of aneuploidy [19].…”

Section: Discussionmentioning

confidence: 99%

Measurement of the Fetal Ear Length Has No Clinical Value

Witkowski

Respondek-Liberska

Zieliński

et al. 2023

JCM

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The long-term monitoring of a fetus with genetic and non-genetic anomalies is still a challenge for prenatal medicine. Ultrasound screening must be based on some measurement ranges, which show the trend of development of fetal body parts in a given period of time. One of them is the fetal ear auricle. This study presents an analysis of the fetal ear auricle length in healthy fetuses to establish normal ranges of fetal ear auricle length. The study group included 132 healthy fetuses. The gestational age of healthy fetuses ranged from 17.0 to 39.5 weeks of gestation according to LMP. The range of fetal ear length measurement was 10.00–40.00 mm with an average value of 23.49 mm. In the group of fetuses in the second trimester of pregnancy, the range of fetal ear length measurement was 18.00–28.00 mm, whereas in the group of fetuses in the third trimester of pregnancy, the range was 16.00–40.00 mm. In order to check the usefulness of this parameter, an analysis of this marker in fetuses with extracardiac anomalies, including genetic and non-genetic disorders is shown. The fetal ear measurement can fall within the normal range even if there are some genetic or non-genetic disorders. Therefore, the fetal ear measurement does not provide any diagnostic value in terms of detecting any fetal genetic and non-genetic disorders, which is supported by the analysis of the data provided in this study. Our study has proved that measurement of the fetal ear auricle is possible; however, its clinical usefulness for perinatal management is currently very limited.

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