Updating Fetal Foot Length to Gestational Age Reference Ranges: A Chart Review of Abortion Cases from 2012 to 2014 [4H]

INTRODUCTION:Pathologists routinely use fetal foot length (FFL) to estimate the gestational ages (GA) of aborted fetuses. However, there is no standard formula. We aimed to develop an updated FFL-to-GA reference range from patient reported last menstrual period (LMP), ultrasound estimate, and best e