The American Psychiatric Association (APA) has updated its Privacy Policy and Terms of Use, including with new information specifically addressed to individuals in the European Economic Area. As described in the Privacy Policy and Terms of Use, this website utilizes cookies, including for the purpose of offering an optimal online experience and services tailored to your preferences.

Please read the entire Privacy Policy and Terms of Use. By closing this message, browsing this website, continuing the navigation, or otherwise continuing to use the APA's websites, you confirm that you understand and accept the terms of the Privacy Policy and Terms of Use, including the utilization of cookies.

×
Site maintenance Monday, July 8th, 2024. Please note that access to some content and account information will be unavailable on this date.
Published Online:https://doi.org/10.1176/ajp.131.8.925

The authors collected data from a research clinic to test the hypothesis that patients with schizophrenia and manic-depressive illness are born early in the year more frequently than would be expected by chance. No evidence of seasonal variation of birth for patients with any specific diagnosis was found.

Access content

To read the fulltext, please use one of the options below to sign in or purchase access.