Using data from the Northern Congenital Abnormality Survey, we describe trends in the
prevalence of neural tube defects (NTDs), maternal age‐specific prevalence, outcome of …

STUDY OBJECTIVE: The objective of the study was to describe the epidemiology of neural
tube defects (NTD) in the eastern region of Ireland using the EUROCAT register of …

OBJECTIVE--To determine trends in total prevalence of neural tube defects in South
Australia during 1966-91, the impact of prenatal diagnosis on birth prevalence, and the …

AIMS: To describe accurately the total prevalence of neural tube defects (NTDs) in England
and Wales over time, and to provide a benchmark up to 1994. METHODS: National data …

A total of 1633 cases of neural tube defects were analysed, registered between 1980 and
1983 in liveborn and stillborn babies and in fetuses aborted as a result of prenatal diagnosis …

Neural tube defects (NTDs) are among the most common major congenital malformations in
most countries. Striking variations in incidence have been known for years, with extremely …

Study objective-The aims were (1) to determine whether in Europe, 1980-86, geographical
differences in total prevalence of neural tube defects persist;(2) to examine the stability of …

Objectives To measure population prevalence and determine potential predictors of neural
tube defects. Method Analysis of all births reported to a mandated collection of perinatal …

In England and Wales there has been a large decline in the birth prevalence of neural tube
defects (NTDs) from the early 1970s (reported rates of about 3.2 per 1000 births) to the …

To conduct a number of studies into the prevalence of neural tube defects (NTD) in the area
covered by the Oxford Record Linkage Study (ORLS), multiple sources were used to build a …