Nuchal cord

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A Nuchal cord occurs when the umbilical cord becomes wrapped around the fetal neck 360 degrees. A "Type A" Nuchal cord is wrapped around the neck. A "Type B" Nuchal cord is a hitch and is not wrapped. In the Type B case, a caesarian section delivery may be recommended but is not necessary. Doppler ultrasound has been successfully used to identify a Nuchal cord, and also to determine the orientation of the loop. Nuchal cord can be managed by home fetal monitoring. Nuchal cord can be a cause of stillbirth but can also be prevented.

For more information see: Collins JH. Umbilical Cord Accidents: Human Studies . Semin Perinat 2002; 26: 79-82.


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