Placental Cord Drainage after Vaginal Delivery A Randomized Clinical Trial
Dr. Abdel-Aziz Mohammed Abdel-Aziz Ibrahim;
Abstract
SUMMARY
T
he third stage is the interval between delivery of the infant and delivery of the placenta. This stage averages 10 minutes and is considered prolonged if it lasts longer than 30 minutes, placental separation occurs as a result of continued uterine contractions and retractions, this control blood loss by compression of spiral arteries and also result in migration of the placenta into the lower uterine segment and then through the cervix.
The physiological effect of early cord clamping, a common intervention which is part of the active management of the third stage of labor, is to retain blood in the placenta, which prevents it from being so tightly compressed by the uterus. This is reduces the amount of myometrial retraction and contraction, leading to more bleeding. However, this blood is thought to form a retroplacental clot, which speeds up the shearing off of the placenta. Ultimately, the consequent delivery of placenta should lead to quicker hemostasis, but the intervention of cord clamping is a paradox in that it involves causing increased initial bleeding to lessen ultimate total bleeding.
Unclamping the cord at the maternal side and draining blood from the placenta would reduce its bulkiness, allowing the uterus to contract and retract and thus aiding delivery of the placenta.
T
he third stage is the interval between delivery of the infant and delivery of the placenta. This stage averages 10 minutes and is considered prolonged if it lasts longer than 30 minutes, placental separation occurs as a result of continued uterine contractions and retractions, this control blood loss by compression of spiral arteries and also result in migration of the placenta into the lower uterine segment and then through the cervix.
The physiological effect of early cord clamping, a common intervention which is part of the active management of the third stage of labor, is to retain blood in the placenta, which prevents it from being so tightly compressed by the uterus. This is reduces the amount of myometrial retraction and contraction, leading to more bleeding. However, this blood is thought to form a retroplacental clot, which speeds up the shearing off of the placenta. Ultimately, the consequent delivery of placenta should lead to quicker hemostasis, but the intervention of cord clamping is a paradox in that it involves causing increased initial bleeding to lessen ultimate total bleeding.
Unclamping the cord at the maternal side and draining blood from the placenta would reduce its bulkiness, allowing the uterus to contract and retract and thus aiding delivery of the placenta.
Other data
| Title | Placental Cord Drainage after Vaginal Delivery A Randomized Clinical Trial | Other Titles | تصريف دم الحبل السري المشيمي بعد الولاده المهبليه دراسه مستقبليه عشوائيه | Authors | Dr. Abdel-Aziz Mohammed Abdel-Aziz Ibrahim | Issue Date | 2017 |
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