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EMBARAZO PROLONGADO
ANDREA DINORAH SANDOVAL MÉNDEZ
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DEFINICIÓN
EMBARAZO DE DURACIÓN DE 42 SEMANAS
COMPLETAS O MAS, ES DECIR A PARTIR DEL DÍA
294. TOMANDO EN CUENTA LA FECHA DE ULTIMA
MENSTRUACIÓN Y ECOGRAFIA.
Representan 6-12% de embarazos
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Factores de riesgo
Nuliparidad
IMC >25
Anencefalia, hipoplasia suprarrenal fetal,
deficiencia de sulfatasa placentaria.
Antecedente de embarazo prolongado
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Embarazo prolongado
Aumenta mortalidad perinatal
Anomalías en el desarrollo
Aumenta riesgo de distocia, sufrimiento fetal y oligohidramnios
Mayor riesgo de presentar convulsiones y restricción del crecimiento (25% óbitos)
Aumento cesáreas
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Síndrome de Posmadurez
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Síndrome de posmadurez
Piel arrugada, descamativa y en placas, cubierta por meconio espeso y viscoso, disminucion de grasa subcutánea, cuerpo largo y delgado (emaciación), ojos abiertos y uñas largas.
Se cree que se debe a senectud/disfunción placentaria (apoptosis aumenta 41-42 semanas)
Complicaciones
Oligohidramnios –disminución del líquido amniótico mediante USG
Macrosomía – peso máximo 37 SDG, pero no dejan de ganar peso
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Tratamiento
70% miembros ACOG recomiendan inducción del
embarazo a las 41 SDG
Cuello uterino favorable (dilatación 3cm), maduración
cervicouterina (prostaglandina, mifepristona)
O llevar a cabo pruebas fetales 2 veces por semana.
Movimientos fetales 2hrs/día, volumen de líquido
amniótico 3/semana, pruebas sin estrés
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Prueba sin estrés fetal
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