Deepest vertical pocket method
Citation, DOI, disclosures and article data
Citation:
Radswiki T, Haouimi A, Jones J, et al. Deepest vertical pocket method. Reference article, Radiopaedia.org (Accessed on 18 Mar 2025) https://doi.org/10.53347/rID-14752
rID:
14752
Article created:
26 Aug 2011,
The Radswiki ◉
Disclosures:
At the time the article was created The Radswiki had no recorded disclosures.
View The Radswiki's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Ammar Haouimi had no financial relationships to ineligible companies to disclose.
View Ammar Haouimi's current disclosures
Revisions:
10 times, by
9 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Single deepest pocket
- Single deepest pocket (SDP)
- Maximal vertical pocket depth
- Maximal vertical pocket method for assessing amniotic fluid volume
- Single deepest pocket method
- Maximal vertical pocket (MVP)
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 a maximal depth of amniotic fluid which is free of an 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 centers, particularly in Australia, New Zealand and the United Kingdom, use a cut off of >10 cm)
References
- 1. Magann E, Chauhan S, Washington W, Whitworth N, Martin J, Morrison J. Ultrasound Estimation of Amniotic Fluid Volume Using the Largest Vertical Pocket Containing Umbilical Cord: Measure to or Through the Cord? Ultrasound Obstet Gynecol. 2002;20(5):464-7. doi:10.1046/j.1469-0705.2002.00802.x - Pubmed
- 2. Magann E, Chauhan S, Doherty D, Magann M, Morrison J. The Evidence for Abandoning the Amniotic Fluid Index in Favor of the Single Deepest Pocket. Am J Perinatol. 2007;24(9):549-55. doi:10.1055/s-2007-986689 - Pubmed
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