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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.
Physical Changes After Delivery (Postpartum Period) Physical Changes After Delivery (Postpartum Period) As your body returns to its nonpregnant condition, there are changes you can expect during the days and weeks after delivery (postpartum period). Like pregnancy, postpartum changes are different for every woman. Chills. You may experience shaking chills right after delivery.