No abstract available
MeSH terms
-
Amniotic Fluid / diagnostic imaging
-
Female
-
Gestational Age
-
Humans
-
Infant, Newborn
-
Male
-
Neural Tube Defects / diagnostic imaging*
-
Neural Tube Defects / embryology
-
Pregnancy
-
Pregnancy Outcome
-
Ultrasonography, Prenatal / methods