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Prediction of newborn's body mass index using nationwide multicenter ultrasound data: a machine-learning study.


ABSTRACT:

Background

This study introduced machine learning approaches to predict newborn's body mass index (BMI) based on ultrasound measures and maternal/delivery information.

Methods

Data came from 3159 obstetric patients and their newborns enrolled in a multi-center retrospective study. Variable importance, the effect of a variable on model performance, was used for identifying major predictors of newborn's BMI among ultrasound measures and maternal/delivery information. The ultrasound measures included biparietal diameter (BPD), abdominal circumference (AC) and estimated fetal weight (EFW) taken three times during the week 21 - week 35 of gestational age and once in the week 36 or later.

Results

Based on variable importance from the random forest, major predictors of newborn's BMI were the first AC and EFW in the week 36 or later, gestational age at delivery, the first AC during the week 21 - the week 35, maternal BMI at delivery, maternal weight at delivery and the first BPD in the week 36 or later. For predicting newborn's BMI, linear regression (2.0744) and the random forest (2.1610) were better than artificial neural networks with one, two and three hidden layers (150.7100, 154.7198 and 152.5843, respectively) in the mean squared error.

Conclusions

This is the first machine-learning study with 64 clinical and sonographic markers for the prediction of newborns' BMI. The week 36 or later is the most effective period for taking the ultrasound measures and AC and EFW are the best predictors of newborn's BMI alongside gestational age at delivery and maternal BMI at delivery.

SUBMITTER: Lee KS 

PROVIDER: S-EPMC7927215 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Publications

Prediction of newborn's body mass index using nationwide multicenter ultrasound data: a machine-learning study.

Lee Kwang-Sig KS   Kim Ho Yeon HY   Lee Se Jin SJ   Kwon Sung Ok SO   Na Sunghun S   Hwang Han Sung HS   Park Mi Hye MH   Ahn Ki Hoon KH  

BMC pregnancy and childbirth 20210302 1


<h4>Background</h4>This study introduced machine learning approaches to predict newborn's body mass index (BMI) based on ultrasound measures and maternal/delivery information.<h4>Methods</h4>Data came from 3159 obstetric patients and their newborns enrolled in a multi-center retrospective study. Variable importance, the effect of a variable on model performance, was used for identifying major predictors of newborn's BMI among ultrasound measures and maternal/delivery information. The ultrasound  ...[more]

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