This page provides links to contact information sources for questions relating to NIH grants administration and to staff directories and funding opportunities that are available on NIH Institute and Center web sites. The following sections are available on this page:
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 childbirth. The changes in your body may include sore muscles and bleeding. 1  Contractions called afterpains shrink the uterus for several days after childbirth. 2  Shrinking of the uterus to its prepregnancy size may take 6 to 8 weeks.3  Sore muscles (especially in the arms, neck, or jaw) are common after childbirth.are after vaginal birth. Most women need some time after delivery to return to their normal activities. It's important to focus on your healing and on taking care of your body after delivery. 1  Use pads instead of tampons for the bloody flow that may last as long as 2 weeks.