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1.Blood volume: immediately after birth averages about 300ml. (75mL additional blood from umbilical cord â if itâs still attached) But the fluid is lost into the neonateâs tissue spaces again - 300mL maintained. 2.Cardiac Output: in average 500ml/min.
There is a greater risk of hemorrhage in the first 24 hours after the birth, called primary postpartum hemorrhage. A secondary hemorrhage occurs after the first 24 hours of birth. In the majority of cases the cause of hemorrhage is uterine atony, meaning that the uterus is not contracting enough to control the bleeding at the â¢ PLANNING