Effect of delayed cord clamping on neonates

doi:10.3877/cma.j.issn.1673-5250.2020.04.002

Neonatal ligation of cord is a necessary medical procedure after delivery of fetus. At present, early cord clamping (ECC) is mostly used in clinical practice. However, many results of research at home and abroad show that delayed cord clamping (DCC) can increase effective circulating blood volume of neonates. It has a significant effect on increasing hemoglobin and iron reserve, reducing neonatal anemia, improving cardiovascular function and oxygenation, and enhancing immunity of neonates. No serious adverse effects of DCC on neonates and their mothers have been found. The author intends to elaborate on latest research status of clinical suitable umbilical cord ligation time, influencing factors of placental transfusion, the effect of taking DCC during delivery on neonates and their potential risks.

Key words: Delayed cord clamping, Hypovolemia, Hemoperfusion, Hemodynamics, Anemia, neonatal, Blood transfusion, autologous, Time management, ligation of umbilical cord, Infant, newborn

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