Prenatal factors, both biological and socio-environmental, are an important predisposition for human developmental trajectory. Collecting prenatal information with reliable tools is the first step to assess the impacts of early factors on later outcomes. This study explores the effects of maternal acceptance and maternal rejection during pregnancy. The purpose of this study was to develop a measure on maternal psychosocial and life events during the pregnancy with psychometric validation, and to conduct a cultural comparison among three datasets in two countries.