Nodes may be false or true cord, single or multiple.
Nodes spiralarea false result from umbilical vessels in the tendency to adjust the length of cord (umbilical vein is usually wrapped around the arteries), or sometimes due tovaricose. In these areas, Wharton jelly is thick and gives the appearance of the node. Noclinical significance were discovered at Annexes fetal examination after birth.
Nodes real assets are the result of fetal movements, passing through a belt loop. The incidence is 1.1%, being particularly high in monoamniotica twins. It can produce smalltasks, but also at birth. They can be loose or tight.
Most often, no clinical rebound, but sometimes, due to active movements duringpregnancy or during birth progression fetal mobile nodes can collect causing acute fetal distress by fetal death and subsequent vessel occlusion. Detection of acute fetal distress during labor requires rapid completion of labor.
Perinatal mortality is 6-8%.
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