Gynaecology & Obstetrics Regarding hemorrhagic disease of newborn all are true except A Occur due to low level of vitamin-K dependent clotting factors B Classic hemorrhagic disease is usually apparent 2 → 5 days after birth C Delayed hemorrhage occurs in exclusively breast-fed infants at 2 → 12 weeks D Oral administration of vitamin K antenatally to mother is a effective preventive measure 💡 Explanation Regarding hemorrhagic disease of newborn all are true except ✓ Correct Answer: D. Oral administration of vitamin K antenatally to mother is a effective preventive measure