The maximal vertical pocket (MVP) depth is considered a reliable method for assessing amniotic fluid volume on ultrasound 1-2. It is performed by assessing a maximal depth of amniotic fluid which free of umbilical cord.
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, NZ and the UK use a cut off of 10 cm
See also
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- 1. Magann EF, Chauhan SP, Washington W et-al. 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 citation
- 2. Magann EF, Chauhan SP, Doherty DA et-al. 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 citation
Synonyms & Alternative Spellings
| Synonyms or Alternative Spelling |
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| Maximal vertical pocket (MVP) |
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| Single deepest pocket |
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| Single deepest pocket (SDP) |
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| Maximal vertical pocket depth |
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| Maximal vertical pocket method for assessing amniotic fluid volume |
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| Single deepest pocket method |
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