Optimal Timing of Cord Clamping in Preterm Pregnancy Following Vaginal or Cesarean Delivery

This is an experimental research study for pregnant women between 23 and 37 weeks age of gestation who will be having a baby sooner than term. This study is to learn if waiting 20, 40, or 60 seconds to clamp the umbilical cord after baby delivers will improve his/her outcome and overall health. Benefit to the baby may come by increasing the amount of blood in the baby\'s body, reducing the need for possible transfusion later, and possible prevention of other complications caused by too little blood in the baby. Possible reduction of cerebral palsy may be realized by a longer interval for cord clamping.