Forensic Medicine Identification of Living 5dfb2d10 Hasse's formula is used in pregnancy to? A Estimate fetal age B Identify fetal blood group C Identify fetal sex D Identify fetal congenital malformations High-Yield Explanation Ans. (a) Estimate fetal ageRef. Textbook of forensic medicine and toxicology by nageshkumar rao, p 321