Eftychia Kalaitzidou is a researcher at NTNU, at the Department of Modern History and Society. She holds a PhD in History from NTNU, where she defended her dissertation titled "The Missing Girls of Greece: Discriminatory Practices Against Girls in Greece from the Late 19th to Early 20th Century". The dissertation examined gender-discriminatory practices, including selective neglect and infanticide, and analyzed how economic, social, and cultural factors influenced sex ratios in historical d...