Prenatal Factors in Schizophrenia  

Oleh:

King, Suzanne ; St-Hilaire, Annie ; Heidkamp, David

Jenis: Article from Journal - e-Journal
Dalam koleksi: Current Directions in Psychological Science vol. 19 no. 04 (Aug. 2010), page 209-213.
Topik: Neurodevelopment; Schizophrenia; Risk Factors; Obstetric Complications; Prenatal Maternal Stress
Fulltext: 03. Prenatal Factors in Schizophrenia.pdf (159.73KB)

Isi artikel

The purpose of this review is to summarize the current state of knowledge on how nongenetic factors occurring before, during, or soon after birth are related to schizophrenia. Schizophrenia is a complex psychiatric illness with a varied clinical presentation that has both environmental and genetic origins and that may result from insults to the nervous system that occur throughout development. In line with this, several endogenous (internal) and exogenous (external) nongenetic factors of pregnancy and birth have been related to an increased risk for schizophrenia in later life. These factors include maternal diabetes, low birth weight, older paternal age, winter birth, and prenatal maternal stress, among others. Although each of these nongenetic factors alone slightly increases the risk for schizophrenia, risk increases when these factors combine with each other and with other risk factors. The mechanisms that link each specific risk factor with the occurrence of schizophrenia remain largely unknown. In order to build better models of the illness, researchers will have to address the question of how environmental and genetic risk factors work together in increasing risk and explore to what extent certain underlying risk factors may explain different aspects of the disease.

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