Abnormal amniotic fluid volume Luo xiaodong ChongQing medical university
Abnormal amniotic fluid volume Luo xiaodong ChongQing medical university 1
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Review 3
Amniotic fluid maternal serum dialysed secreted by aminiotic membrane fetal urine The average volume at term is 800 mL
4 Amniotic fluid maternal serum dialysed secreted by aminiotic membrane fetal urine The average volume at term is 800 mL
Absorb fetal membrane ·fetal skin fetus swallows about 400ml of amniotic fluid a day in the final stages of pregancy 。umbilical cord 5
Absorb • fetal membrane • fetal skin • fetus swallows about 400ml of amniotic fluid a day in the final stages of pregancy • umbilical cord 5
Learning objectives You should: .Understand the causes of polyhydramnios and oligohydramnios .Be familiar with the management options for these conditions 6
You should: •Understand the causes of polyhydramnios and oligohydramnios •Be familiar with the management options for these conditions Learning objectives 6
polyhydramnios 7
polyhydramnios 7
Polyhydramnios (hydramnios) The volume of amniotic fluid increases beyond 2000ml during pregnancy
Polyhydramnios (hydramnios) The volume of amniotic fluid increases beyond 2000ml during pregnancy 8
etiology Maternal disease Diabetes .Hemolysis rhesus or ABO 9
etiology Maternal disease •Diabetes •Hemolysis rhesus or ABO 9
etiology Fetal reasons .High urine output (macrosomia, twin to twin transfusion) .Obstructed GI tract .Neuromuscular (poor swallowing) .central nervous system defect 10
etiology •High urine output (macrosomia , twin to twin transfusion) •Obstructed GI tract •Neuromuscular (poor swallowing) •central nervous system defect Fetal reasons 10