<prompt> Regarding hemorrhagic disease of newborn all are true exceptOccur due to low level of vitamin-K dependent clotting factorsClassic hemorrhagic disease is usually apparent 2 5 days after birthDelayed hemorrhage occurs in exclusively breast-fed infants at 2 12 weeksOral administration of vitamin K antenatally to mother is a effective preventive measure  <response>: Maternal vitamin K administration results in very little transport to fetus. 