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. It is concerning if it persists past that date, and it is then recommonded that an underlying cause be sought and precautionary management implemented.

The estimated incidence is at ~4% of pregnancies

Recognised associations include

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 caesarean 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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