Sex of preceding sibling and anthropometrics of subsequent offspring at birth and in young adulthood
A population‐based study in Sweden
Bibliographic Data
In many mammal species with sexual dimorphism producing sons is energetically more demanding to the mother than producing daughters. Although some studies in humans have suggested that offspring born after a brother have a smaller birth weight and adult height when compared with those born after a sister, little is known about this intergenerational cost of producing sons. We aimed to study whether the sex of preceding sibling is associated with anthropometrics of the subsequent child at birth and in young adulthood. This population‐based study was carried out on two data sets derived from the Swedish registers. Information on birth weight and length was obtained for 752,723 children of both sexes. Adult weight, height and muscle strength were available for 506,326 men. Multiple linear regression analyses showed that boys and girls born after a brother were, respectively, 18 and 9 g lighter and 0.08 and 0.03 cm ( P P P
Anthropometry · Biology · Birth weight · Body mass index · Brother · Developmental psychology · Gestation · Offspring · Population · Pregnancy · Sexual dimorphism · Sibling · Sister · Birth, Development, and Health · Demographic Trends and Gender Preferences · Demography · Endocrinology · Genetics · Internal Medicine · Medicine · Psychology · Sexual Differentiation and Disorders
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| Citations per year | 0.27 |
|---|---|
| Citation span | 2015 - 2021 (7) |
| Highly cited | No |