We report here retrospective data on 991 liveborn and stillborn infants with neural tube
defects (NTDs) born to Utah residents from January 1, 1940 to December 31, 1979. Data …

We previously reported that among neural tube defects (NTDs) with no known causes the
ones that occur alone (singles) have different epidemiologic characteristics from those that …

Abstract In the NIH Collaborative Perinatal Project, a prospective study of over 53,000
pregnant women and their offspring, 71 single‐born children (13.33/10,000) were found to …

In 1985-1987, the authors attempted to ascertain all cases of confirmed neural tube defects
(NTD) in California and Illinois, not only among live-born infants (postnatal) but also cases …

The epidemiology of neural tube defects was reviewed, using data from two birth defects
surveiliance systems: the nationwide Birth Defects Monitoring Program and the Metropolitan …

Data on the occurrence of neural tube defects in first‐, second‐, and third‐degree relatives
of probands were collected in a United States study. The proportions of affected individuals …

Neural tube defects (NTD) may be separated according to the overall location and probable
embryological origin into 2 groups: upper or neurulation defects, and lower or canalization …

To obtain accurate, unbiased rates of neural tube defects (NTDs) in twins, we conducted a
population-based study that included live births and fetal deaths in Los Angeles County …

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 …

Epidemiologic characteristics of neural tube defect (NTD) births occurring in Los Angeles
County, California, residents during the period 1966–1972 are presented. The prevalence at …