| Rank |
Title |
Journal |
Year |
PubWeight™‹?› |
|
1
|
Maternal age-specific rates of 47,+21 and other cytogenetic abnormalities diagnosed in the first trimester of pregnancy in chorionic villus biopsy specimens: comparison with rates expected from observations at amniocentesis.
|
Am J Hum Genet
|
1988
|
2.38
|
|
2
|
Chromosomal abnormality rates at amniocentesis and in live-born infants.
|
JAMA
|
1983
|
1.95
|
|
3
|
Rates of mutant and inherited structural cytogenetic abnormalities detected at amniocentesis: results on about 63,000 fetuses.
|
Ann Hum Genet
|
1987
|
1.89
|
|
4
|
The natural history of cytogenetically abnormal fetuses detected at midtrimester amniocentesis which are not terminated electively: new data and estimates of the excess and relative risk of late fetal death associated with 47,+21 and some other abnormal karyotypes.
|
Am J Hum Genet
|
1989
|
1.69
|
|
5
|
The effects of prenatal diagnosis, population ageing, and changing fertility rates on the live birth prevalence of Down syndrome in New York State, 1983-1992.
|
Prenat Diagn
|
1996
|
1.68
|
|
6
|
Cigarette smoking and Down syndrome.
|
Am J Hum Genet
|
1985
|
1.59
|
|
7
|
Rates of trisomies 21, 18, 13 and other chromosome abnormalities in about 20 000 prenatal studies compared with estimated rates in live births.
|
Hum Genet
|
1982
|
1.53
|
|
8
|
Rates of mutant structural chromosome rearrangements in human fetuses: data from prenatal cytogenetic studies and associations with maternal age and parental mutagen exposure.
|
Am J Hum Genet
|
1983
|
1.32
|
|
9
|
The frequency of 47,+21,47,+18, and 47,+13 at the uppermost extremes of maternal ages: results on 56,094 fetuses studied prenatally and comparisons with data on livebirths.
|
Hum Genet
|
1984
|
1.31
|
|
10
|
Paternal age and Down syndrome in British Columbia.
|
Am J Hum Genet
|
1981
|
1.19
|
|
11
|
Temporal increase in the rate of Down syndrome livebirths to older mothers in New York State.
|
J Med Genet
|
1981
|
1.09
|
|
12
|
Massachusetts Department of Public Health. Use of prenatal cytogenetic diagnosis in New York State.
|
N Engl J Med
|
1981
|
1.09
|
|
13
|
Extra structurally abnormal chromosomes (ESAC) detected at amniocentesis: frequency in approximately 75,000 prenatal cytogenetic diagnoses and associations with maternal and paternal age.
|
Am J Hum Genet
|
1987
|
1.07
|
|
14
|
Case ascertainment for state-based birth defects registries: characteristics of unreported infants ascertained through birth certificates and their impact on registry statistics in New York state.
|
Paediatr Perinat Epidemiol
|
1996
|
1.05
|
|
15
|
False-positive reporting of Down syndrome on Ohio and New York birth certificates.
|
Genet Epidemiol
|
1985
|
1.03
|
|
16
|
Paternal age and Down's syndrome genotypes diagnosed prenatally: no association in New York state data.
|
Hum Genet
|
1982
|
1.00
|
|
17
|
Maternal cigarette smoking, Down syndrome in live births, and infant race.
|
Am J Hum Genet
|
1988
|
0.99
|
|
18
|
On the inadequacy of quinquennial data for analyzing the paternal age effect on Down's syndrome rates.
|
Hum Genet
|
1980
|
0.97
|
|
19
|
Inherited structural cytogenetic abnormalities detected incidentally in fetuses diagnosed prenatally: frequency, parental-age associations, sex-ratio trends, and comparisons with rates of mutants.
|
Am J Hum Genet
|
1984
|
0.96
|
|
20
|
Use of Bernoulli census and log-linear methods for estimating the prevalence of spina bifida in livebirths and the completeness of vital record reports in New York State.
|
Am J Epidemiol
|
1980
|
0.92
|
|
21
|
A search for evidence for a paternal age effect independent of a maternal age effect in birth certificate reports of Down's syndrome in New York state.
|
Am J Epidemiol
|
1980
|
0.89
|
|
22
|
Female predominance (low sex ratio) in 47,+21 mosaics.
|
Am J Med Genet
|
1999
|
0.83
|
|
23
|
Spontaneous abortion and subsequent Down syndrome livebirth.
|
Hum Genet
|
1983
|
0.82
|
|
24
|
Changes in rates of spontaneous fetal deaths reported in Upstate New York vital records by gestational age, 1968-78.
|
Public Health Rep
|
1984
|
0.80
|
|
25
|
Trends in the use of prenatal diagnosis in New York State and the impact of biochemical screening on the detection of Down syndrome: 1984-1993.
|
Prenat Diagn
|
1997
|
0.77
|
|
26
|
Factual, statistical and logical issues in the search for a paternal age effect for Down syndrome.
|
Hum Genet
|
1990
|
0.77
|
|
27
|
Maternal age-specific rates of chromosome abnormalities at chorionic villus study: a revision.
|
Am J Hum Genet
|
1989
|
0.75
|
|
28
|
An artifact in evaluation of paternal age trends for Down syndrome.
|
Hum Genet
|
1984
|
0.75
|
|
29
|
Paternal age.
|
Hum Genet
|
1983
|
0.75
|