Oligohydramnios

Question 1

Amniotic fluid volume less than expected for the gestational age

Answer 1

Oligohydramnios

Question 2

Measurements

Answer 2

AFI , amniotic fluid index <5cm
SDP, single deep pocket <2cm

Question 3

Risk factors

Answer 3

Gestational age
37-42 wks term
>40 weeks

Question 4

Pathogenesis

Answer 4

Decrease in fluid production in relation to fluid removal
Decreased amniotic fluid volume-> compressions
Pulmonary hypoplasia

Question 5

Etiology leading to oligohydramnios

Answer 5

PROM
Placental insufficiency leading to IUGR, intrauterine growth restriction
Fetal anomalies
Medications affecting renal blood flow, ACE inhibitors, prostaglandin NSAIDs

Question 6

Diagnosis

Answer 6

Small uterine size
Inconsistent fetal movement
PROM, leaking fluid
Ultrasound

Question 7

MANAGEMENT

Answer 7

Antenatal management

Hydration

No effective long term treatment

Question 8

Monitoring

Answer 8

Fetal kick counting

Non stress test

Biophysical profile

Question 9

Delivery

Answer 9

Monitoring

Vaginal delivery

Amnioinfusion

Question 10

Complications

Answer 10

First trimester

Spontaneous abortion
No treatment

Second trimester

Pulmonary hypoplasia

Elective termination
Third trimester

High survival rate