Investigation of the twinning rate in families with the fragile X syndrome.

doi:10.1002/ajmg.1320300163

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Article

Investigation of the twinning rate in families with the fragile X syndrome.

American journal of medical genetics - 1 Jan 2000

Sherman S L, Turner G, Sheffield L, Laing S, Robinson H

Abstract excerpt

An excess of twins in families with the Martin-Bell or fra(X) syndrome was noted previously in one family study [Fryns, 1986]. We tried to confirm this observation in a second large sample of families from a different population. We calculated the number of twin births among the total number of l...

Topics

Epidemiologic Methods
Female
Fragile X Syndrome
Heterozygote
Humans
Male
New South Wales
Phenotype
Pregnancy
Sex Chromosome Aberrations
Twins
Twins, Dizygotic
Twins, Monozygotic

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