Umbilical cord length and neurodevelopmental disorders, a national cohort study.

ABSTRACT:

Introduction

Adversities in fetal life are known risk factors for neurodevelopmental disorders (NDD). Despite the pivotal role of the umbilical cord, little is known about its associations to later NDD.

Objective

To estimate the associations between umbilical cord length and NDD (Attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), intellectual disability (ID), cerebral palsy (CP), epilepsy, impaired vision or hearing), and whether associations differed by sex.

Materials and methods

A prospective population-based cohort study including all liveborn singletons in Norway from 1999, through 2013 and followed up through 2019. Data were retrieved from The Medical Birth Registry of Norway and linked with other national health and administrative r

SUBMITTER: Ebbing C 

PROVIDER: S-EPMC12017576 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature