The aetiology of neural tube malformations may include both genetic and environmental
elements. The genetic factors considered are:(a) a preponderance of one or other sex;(b) …

Detailed investigations were made on 150 fetuses with neural tube defects (NTD). After
eliminating those with recognised causes, the rest were found to consist of fetuses with both …

We classified 106 stillborn and live-born infants with anencephaly, meningomyelocele,
meningocele and encephalocele according to the recognized causes of these …

• Objective.—To describe the recent trends and epidemiologic characteristics of neural tube
defects in the United States. Research Design.—Ongoing surveillance data. Setting.—Two …

The recurrence of neural tube defects (NTD) in the sib following the index case of all patients
who consulted the South-East Thames Regional Health Authority Genetics Centre in the …

To determine the recurrence risk for patients with one prior pregnancy affected with neural
tube defects (NTD), the authors have pooled date from eight testing centers. In 831 …

The tendency for sibs affected by non-syndromal neural tube defect (NTD) to have the same
type of lesion was assessed retrospectively in a series of 66 affected sibships from the west …

Four separate initiation sites for neural tube (NT) fusion have been demonstrated recently in
mice and other experimental animals. We evaluated the question of whether the mult‐site …

The distribution and prevalence of births with neural tube defects in Utah from 1940 to 1979
are analyzed with regard to prevalence rates, secondary sex ratios, seasonality, yearly rates …

Abstract From January 1990 until December 1996, 212 cases of neural tube defect (NTD)
were seen through the Prenatal Diagnosis Program of the University of Toronto. Of the 212 …