The results provide the examiner with normal ranges for fetal cardiac structures for the early transvaginal examination. The continuity of all curves from 14 to 40 weeks of gestation allows follow-up of any specific fetus to term.

ABSTRACT

Objective To evaluate the prediction of microcephaly at birth (micB) using established and two new reference ranges for fetal head circumference (HC) and to assess whether integrating additional parameters can improve prediction. Methods

No abstract

This phenomenon is a diagnostic challenge and should be considered in the differential diagnosis of a malignant mass during pregnancy.