Long-term Neurological Outcomes of Offspring Misdiagnosed with Fetal Growth Restriction

Overview

Journal Arch Gynecol Obstet

Specialty Gynecology & Obstetrics

Date 2024 May 1

PMID 38691158

Authors

Amir Snir

Omri Zamstein

Tamar Wainstock

Eyal Sheiner

Affiliations

Soon will be listed here.

Abstract

Objective: Fetal growth restriction (FGR) is a major determinant of adverse short- and long-term perinatal outcomes. The current definition of FGR (estimated fetal weight measurement < 10th percentile) may lead, at times, to a false diagnosis of fetuses that are eventually born appropriate for gestational age (AGA). Our objective was to investigate the potential association between a misdiagnosis of antepartum fetal growth restriction and long-term neurological outcomes in offspring.

Study Design: A population-based cohort analysis was performed including deliveries between the years 1991-2020 in a tertiary medical center. We compared neurological hospitalization during childhood among AGA infants falsely diagnosed as FGR versus AGA infants without a false FGR diagnosis. A Kaplan-Meier survival curve was used to assess cumulative morbidity and a Cox proportional hazards model was employed to control for confounders.

Results: During the study period, 324,620 AGA infants met the inclusion criteria; 3249 of them were falsely classified as FGR. These offspring had higher rates of hospitalizations due to various neurological conditions, as compared to those without an FGR diagnosis (OR 1.431, 95% CI 1.278-1.608; P < 0.001). In addition, cumulative hospitalization incidence was elevated in the FGR group (log-rank P-value < 0.001). When controlling for confounders, a false FGR diagnosis remained independently associated with long-term neurological morbidities (adjusted HR 1.086, 95% CI 1.003-1.177, P = 0.043).

Conclusion: Misdiagnosis of FGR in the antepartum period is associated with an increased risk for offspring long-term neurological morbidities.

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