Literature DB >> 7189785

Concordance rates in twins for anencephaly.

W H James.   

Abstract

New estimates are offered of the concordance rates in twins for anencephaly. In MZ pairs, the percentage which are concordant is about 7. This is significantly higher than (about three or four times) the value expected on the assumption that concordance is accounted for by raised recurrence rates within sibships. In DZ pairs, the data are less numerous and the percentage concordant (about 2 to 5) does not so far throw much suspicion on this hypothesis in regard to them.

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Year:  1980        PMID： 7189785      PMCID： PMC1048509          DOI： 10.1136/jmg.17.2.93

Source DB:  PubMed          Journal:  J Med Genet        ISSN： 0022-2593            Impact factor:   6.318


  6 in total

1.  The possibility of a flaw underlying Weinberg's differential rule.

Authors:  W H James
Journal:  Ann Hum Genet       Date:  1976-11       Impact factor: 1.670

2.  Concordance and discordance of anencephaly in 109 twin pairs in Japan.

Authors:  Y Imaizumi
Journal:  Jinrui Idengaku Zasshi       Date:  1978-12

3.  Recurrence rates in sibships and concordance rates in twins for anencephaly.

Authors:  W H James
Journal:  Ann Hum Biol       Date:  1978-01       Impact factor: 1.533

4.  Shifting genetic patterns in anencephaly and spina bifida.

Authors:  D T Janerich; J Piper
Journal:  J Med Genet       Date:  1978-04       Impact factor: 6.318

5.  Anencephalus in the Oxford Record Linkage Study area.

Authors:  J Fedrick
Journal:  Dev Med Child Neurol       Date:  1976-10       Impact factor: 5.449

6.  Twinning and anencephaly.

Authors:  W H James
Journal:  Ann Hum Biol       Date:  1976-09       Impact factor: 1.533
  6 in total
  2 in total

1.  Dizygotic twins with myelomeningocele.

Authors:  Ghanshyam Das; Anju Aggarwal; M M A Faridi
Journal:  Indian J Pediatr       Date:  2003-03       Impact factor: 1.967

2.  Anomalous X chromosome inactivation: the link between female zygotes, monozygotic twinning, and neural tube defects?

Authors: 
Journal:  J Med Genet       Date:  1988-03       Impact factor: 6.318
  2 in total

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