What is oligohydramnios?
Low level of amniotic fluid
<5th centil
What is amniotic fluid?
Made up fetal urine output
Acts to cushion the fetus
Volume should increase up to week 33
What can cause oligohydramnios?
P-PROM
Placental insufficiency
Renal agenesis
Obstructive uropathy
How is oligohydramnios diagnosed?
Hx + exam
USS
What are fetal complications of oligohydramnios?
Pulmonary hypoplasia
Preterm delivery
Muscle contractures