Association between ambient temperatures during pregnancy and the sex ratio of stillbirths in historical GP

The file contains data on stillbirths in the historical Poznań province, covering the mid-19th century. It includes information on the year and month of conception, air temperatures during each month of pregnancy, and the sex of stillborn children. The dataset allows for the analysis of the impact of climatic conditions—particularly ambient temperature—on the risk of stillbirth and the sex ratio of stillbirths. Social factors such as maternal marital status and place of residence are also included.