1ST TRIMESTER;
TRANSVAGINAL SONOGRAPHY;
FETAL CENTRAL NERVOUS SYSTEM;
EARLY FETAL BRAIN DEVELOPMENT;
BRAIN ABNORMALITIES;
HYDROCEPHALUS;
ANENCEPHALUS;
DYSRAPHISM;
D O I:
10.1046/j.1469-0705.1991.01050336.x
中图分类号:
O42 [声学];
学科分类号:
070206 ;
082403 ;
摘要:
The introduction of high resolution transvaginal transducers has expanded our knowledge of the first and early second-trimester fetus. This article describes transvaginal assessment of normal brain development. The feasibility of early detection of various fetal central nervous anomalies, such as anencephalus, exencephalus, hydrocephalus, Dandy Walker syndrome and myelomeningocele is described.