Cord presentation

A cord presentation (also known as a funic presentation) is a variation in fetal presentation where the umbilical cord points towards the internal cervical os or lower uterine segment.  It may be a transient phenomenon and usually considered insignificant until ~ 32 weeks. However it is concerning if persistent, and it is then recommonded that an underlying cause be sought and precautionary management implimented.

The estimated incidence is at ~ 4% of pregnancies

Associations

Recognised associations include

Ultrasound

Colour Doppler interrogation is extremely useful and shows cord between the fetal presenting part and the internal cervical os. However unlike a vasa praevia, the placental insertion is usually normal.

It can result in a higher rate of umbilical cord prolapse.

As the complicating umbilical cord prolapse can lead to a catastrophic consequences, most advocate an elective C section delivery to 3rd trimester persistent cord presentation 3.

For the presence of umbilical cord vessels between the fetal presenting part and the internal cervical os on ultrasound consider

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Article Information

rID: 13787
System: Obstetrics
Tag: cases
Synonyms or Alternate Spellings:
  • Funic presentation
  • Cord (funic) presentation

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