WebFor decades, it has been reported in more than 250 studies 1 that a disproportionate number of individuals with schizophrenia are born during the winter months … WebSeasonal variation of births among patients with schizophrenia may consist of two factors: 1) parental procreational habits causing a slight excess of births of both patients and …

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WebSeason of birth. First reported in 1929, winter birth is one of the most firmly established nongenetic risk factors for schizo-phrenia. Compared to the monthly birth rates in the general population, there is a 5% to 8% excess of births in winter and early spring months in those who later develop schizophrenia (Torrey, Miller, Rawlings, & Yolken ... WebIn samples of schizophrenic patients, the distributions by month of birth and maternal age at birth show remarkable anomalies. These phenomena may be connected, because the … end meetings early or start late

Season of birth and schizophrenia: Evidence from China

Web14 Apr 2024 · The patient in question was a 28-year-old homeless transgender Black woman who was assigned as male sex at birth. She had a history of schizoaffective disorder, bipolar type. Her pseudocyesis presented in an acute manic episode with psychosis. Even more puzzling, the patient had not undergone any gender affirmative surgery and denied ever … Web1 Feb 1999 · The risk was also significantly associated with the season of birth; it was highest for births in February and March and lowest for births in August and September. The population attributable risk was 5.5 percent for a history of schizophrenia in a parent or sibling, 34.6 percent for urban place of birth, and 10.5 percent for the season of birth. Web27 Oct 2011 · process.2 Birth seasonality was examined separately in subjects who met the criteria for schizophrenia (DSM-III-R code 295, n=105) and those with no mental disorders … dr chandra victoria texas