Prenatal illness and subtypes of schizophrenia: the winter pregnancy phenomenon |
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Authors: | Gallagher B J McFalls J A Jones B J Pisa A M |
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Affiliation: | Sociology Department, Villanova University, PA 19085, USA. |
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Abstract: | Seasonality of birth patterns is examined among a sample of 801 patients with schizophrenia separated into Type I and Type II schizophrenia. Findings indicate that both groups of patients were in utero during the winter but during different trimesters. Patients with Type I schizophrenia were more likely to be in utero during the third trimester. Patients with Type II schizophrenia were more likely to have been in the womb during the first trimester. Implications for fetal brain development are discussed. |
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