Quality control of ultrasound at 11 to 14 weeks of gestation: results from the China Early Pregnancy Ultrasound Cohort.

ABSTRACT:

Objective

To assess the quality control (QC) of ultrasound scanning at 11-14 weeks of gestation during the first stage in the China Early Pregnancy Ultrasound Cohort (CEPUC).

Methods

A stratified random sampling strategy was employed for QC on ultrasound images from 525 single fetuses between 11 and 13 ⁺⁶ weeks of gestation across nine hospitals. The QC process consisted of two elements: (1) the retention of 17 types of ultrasound scans and (2) the assessment of each scan's content, which was scored out of 47 points. QC was performed twice: initially through hospital self-assessment (self-QC) and a subsequent review by the cohort team (second QC). The QC scores were calculated and compared across different groups using the Chi-square test, Fisher's exact test, or

SUBMITTER: Wang J 

PROVIDER: S-EPMC12482272 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature