Deepest vertical pocket method

Radswiki et al.

The deepest (maximal) vertical pocket (DVP) depth is considered a reliable method for assessing amniotic fluid volume on ultrasound 1-2. It is performed by assessing a pocket of maximal depth of amniotic fluid which is free of umbilical cord and fetal parts.

The usually accepted values are:

  • <2 cm: indicative of oligohydramnios
  • 2-8 cm: normal but should be taken in the context of subjective volume
  • >8 cm: indicative of polyhydramnios (although some centres particularly in Australia, New Zealand and the United Kingdom use a cut off of >10 cm)

Ultrasound - obstetric
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Article Information

rID: 14752
Section: Approach
Tags: cases, refs
Synonyms or Alternate Spellings:
  • Maximal vertical pocket (MVP)
  • Single deepest pocket
  • Single deepest pocket (SDP)
  • Maximal vertical pocket depth
  • Maximal vertical pocket method for assessing amniotic fluid volume
  • Single deepest pocket method

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