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.

本数据集收录了19世纪中期历史波兹南省的死产（stillbirth）相关数据，涵盖受胎年份与月份、妊娠各月的气温以及死产胎儿的性别信息。本数据集可用于分析气候条件——尤其是环境气温——对死产风险及死产儿性别比例的影响，同时还纳入了产妇婚姻状况、居住地等社会因素。