Abstract
Amniotic Fluid (LA) is a complex of necessary and essential substances for the complete development of intrauterine life.
Alterations in amniotic fluid volume may reflect a problem in fluid production or circulation, such as occurs in the presence of a fetal abnormality or maternal factors. Both its marked decrease (oligoamnios) and the exaggerated increase (polyhydramnios) are accompanied by an increased risk of an adverse perinatal outcome.
Examination of amniotic fluid volume has become an integral part of routine and diagnostic ultrasound in maternal fetal medicine.
Taking into account that MVP is the best method for evaluating amniotic fluid, we will make the definitions: Oligoamnios: the MVP does not exceed 2 cm in pregnancy and polyhydramnios: greater vertical pocket is equal to or greater than 8 cm before 20 weeks and greater than 10 cm thereafter.
Ultrasonography allows us to evaluate it easily, to achieve adequate perinatal management, thus avoiding adverse perinatal results.
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Ron Beloosesky, MD y col This topic last updated: Mar 20, 2019.
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Palermo, M.S.F., Espinosa, A., Trasmonte, M. (2022). Disorders of Amniotic Fluid Volume: Oligoamnios and Polyhydramnios. In: Moreira de Sá, R.A., Fonseca, E.B.d. (eds) Perinatology. Springer, Cham. https://doi.org/10.1007/978-3-030-83434-0_39
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