BACKGROUND AND PURPOSE:
The subarachnoid space is an important component of the developing intracranial compartment. As fetal brain MRI is becoming more commonplace for early CNS disease diagnosis, it is imperative to determine age-based standards for normal subarachnoid space depth. We aim to provide 2D reference measurements of the supratentorial subarachnoid spaces in apparently healthy mid and later second-trimester fetuses.
MATERIALS AND METHODS:
In this cross-sectional study, we included …