Oligohydramnios

Question 1

3 causes of oligohydramnios?

Answer 1

SROM
Renal agenesis (as part of Potter sequence - lowset ears, renal agenesis, oligohydramnios)
Posterior urethral valves (obstruct urine output)
Drug-induced: ACE-inhibitors

Question 2

What might you feel on palpation of the uterus for oligohydramnios?

Answer 2

Reduced symphysial-fundal height

Undue presentation of fetal parts

Question 3

What is the definition of oligohydramnios?

Answer 3

Decreased liquor volume (AFI < 5)

Question 4

3 complications of oligohydramnios?

Answer 4

IUGR
Intrauterine infection - chorioamnionitis?
Neonatal abnormalities i.e lung hypoplasia, talipes

Question 5

Baby has oligohydramnios. What Ix to do?

Answer 5

Speculum - to see if SROM
USS assessment
Umbilical artery doppler
CTG

Question 6

If SROM at 34 weeks, what to do?

If SROM < 34 weeks, what to do?

Answer 6

> 34 weeks: Induce labour

<34 weeks: Prophylactic erythromycin PO
Consider induction