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OLIGOHIDRAMNIOS.pptx

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OLIGOHIDRAMNIOS Introducción  El liquido amniótico juega un rol importante en la salud y desarrollo fetal, muy lejos de ser una ―piscina estancada‖, el liquid amniótico esta en un proceso dinamico todo el tiempo. Management of Oligohydramnios in Pregnancy Mary B. Munn, MD Obstet Gynecol Clin N Am 38 (2011) 387–395  UpToDate Literature review current through: Jan 2014. | This topic last updated: ago 13, 2013. FUENTES DE LIQUIDO AMNIOTICO GESTACION TEMPRANA  Liquido celomico  S
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  OLIGOHIDRAMNIOS  Introducción  El liquido amniótico juega un rol importante en la salud y desarrollo fetal, muy lejos de ser una ― piscina estancada ‖, el liquid amniótico esta en un proceso dinamico todo el tiempo. Management of Oligohydramnios in Pregnancy Mary B. Munn, MD Obstet Gynecol Clin N Am 38 (2011) 387 – 395   UpToDate Literature review current through:  Jan 2014. | This topic last updated:  ago 13, 2013.  FUENTES DE LIQUIDO AMNIOTICO GESTACION TEMPRANA  Liquido celomico     Se desarrolla entre las membranas amniotica y corionica  The composition of coelomic fluid is similar to maternal plasma and different from AF, suggesting that maternal plasma may be its source.  The cause of the disappearance of coelomic fluid is unknown. It is likely that solutes and fluid from the exocoelomic cavity cross the amniotic membrane into the AF and that coelomic fluid is an early source of AF.  Protein and enzyme patterns in the fluid cavities of the first trimester gestational sac: relevance to the absorptive role of secondary yolk sac. Gulbis B, Jauniaux E, Cotton F, Stordeur P. Mol Hum Reprod. 1998;4(9):857.  Liquido amniotico Early pregnancy AF is likely derived from three sources:  The fetal surface of the placenta  Transport from the maternal compartment across the amnion (transmembranous)  Secretions from the surface of the body of the embryo.  Late gestational sources of AF (fetal urine and lung liquid) do not contribute to the AFV in early gestation. Both coelomic and amniotic fluids are present in anembryonic pregnancies, indicating that the fetus may not be the primary fluid source in early pregnancy. Sem7 => sem 10 => sem12-14
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