Antoniou, Evangelia (2012). The influence of genetic, environmental and intrauterine factors on child development: The east Flanders prospective twin survey (EFPTS) & the twins and multiple births association heritability study (TAMBAHS). University of Birmingham. Ph.D.
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Abstract
I investigated the role of genetic, environmental and intrauterine factors in child development using data from two large twin studies; the East Flanders Prospective Twin Survey (EFPTS) and the Twins and Multiple Births Association Heritability Study (TAMBAHS). An association between birth weight and child development has already been established. Potential associations between other factors of the intrauterine environment and child development were investigated in this thesis. Heritabilities of the umbilical cord, IQ, temperament and behaviour problems were estimated. Fetal characteristics, such as birth weight, placental weight and morphology, umbilical cord knots, length and insertions were investigated in relation to cognitive development in the EFPTS study. The impact of maternal pre-pregnancy weight on temperament and behaviour problems was examined in the TAMBAHS study. High heritability estimates were observed for certain dimensions of the umbilical cord, temperament and IQ; for behaviour problems, genetic, shared and non-shared environment were important. Low birth weight and cord knotting was associated with lower IQ; an association was observed between maternal overweight and children aggressive behaviour. The results are discussed in the context of the Developmental Origins of Health and Disease (DOHaD) hypothesis, highlighting the role of the intrauterine environment in child development.
| Type of Work: | Thesis (Doctorates > Ph.D.) | |||||||||
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| Award Type: | Doctorates > Ph.D. | |||||||||
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| College/Faculty: | Colleges (2008 onwards) > College of Medical & Dental Sciences | |||||||||
| School or Department: | School of Health and Population Studies, Department of Public Health, Epidemiology and Biostatictics | |||||||||
| Funders: | None/not applicable | |||||||||
| Subjects: | Q Science > QH Natural history > QH301 Biology Q Science > QH Natural history > QH426 Genetics R Medicine > RG Gynecology and obstetrics R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services |
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| URI: | http://etheses.bham.ac.uk/id/eprint/3485 |
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