Strength and anthropometric measures in identical and fraternal twins: No evidence of masculinization of females with male co-twins

David Gaist; Lise Bathum; Axel Skytthe; Tina Kold Jensen; Matt McGue; James W. Vaupel; Kaare Christensen

doi:10.1097/00001648-200005000-00020

Strength and anthropometric measures in identical and fraternal twins: No evidence of masculinization of females with male co-twins

David Gaist, Lise Bathum, Axel Skytthe, Tina Kold Jensen, Matt McGue, James W. Vaupel, Kaare Christensen

Psychology (Twin Cities)

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70 Scopus citations

Abstract

Sharing of intrauterine environment in twins of opposite sex has been hypothesized to result in masculinization of the female twin. We tested this hypothesis by comparing strength (maximum hand-grip pressure) and various anthropometric measures in a newly established survey panel comprising 4,314 middle-aged twins identified through a Danish population-based twin registry. Sex- and zygosity-specific mean values of handgrip strength, height, weight, body mass index, and waist circumference were highly comparable between fraternal twins of opposite sex and fraternal twins of same sex. Our results provide no support for the hypothesis of masculinization of female twins from opposite sex twin pairs.

Original language	English (US)
Pages (from-to)	340-343
Number of pages	4
Journal	Epidemiology
Volume	11
Issue number	3
DOIs	https://doi.org/10.1097/00001648-200005000-00020
State	Published - May 2000

Keywords

Anthropometry
Gender
Masculinization
Muscle strength
Phenotype
Twins

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AU - Skytthe, Axel

AU - Jensen, Tina Kold

AU - McGue, Matt

AU - Vaupel, James W.

AU - Christensen, Kaare

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KW - Phenotype

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Strength and anthropometric measures in identical and fraternal twins: No evidence of masculinization of females with male co-twins

Abstract

Keywords

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