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wellbeing.<\/jats:p><jats:p><jats:italic>Methods<\/jats:italic>: Assessment of amniotic fluid volume is now routine when performing a sonographic evaluation of fetal status and is an important consideration in the assessment and management of perinatal morbidity and mortality.<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"#ajum00167-bib-0001\"><jats:sup>1<\/jats:sup><\/jats:ext-link><jats:sup>,<\/jats:sup><jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"#ajum00167-bib-0002\"><jats:sup>2<\/jats:sup><\/jats:ext-link> In this review, we will cover the dynamics that affect amniotic fluid volume, review methods for measurement and quantification of volume, review definitions for normative data as related to neonatal outcomes, and provide evidence based guidance on the workup and management options for oligoydramnios and polyhydramnios in singleton and twin pregnancies. <jats:italic>Conclusions<\/jats:italic>: When abnormalities of 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