NURS EXAM:DISORDERS OF AMNIOTIC FLUID 2023 GUIDE
• Definition
• Functions
• Changes with gestational age
• Measurements
• Disorders – clinical presentation
• Complications of the disorders
• Management of disorders
, NURS EXAM:DISORDERS OF AMNIOTIC FLUID 2023 GUIDE
Amniotic fluid
• Fluid that distends the amniotic sac during pregnancy
• Formed from:
– Transudation across – fetal membranes, fetal skin, umbilical cord
– Fetal urine
• Very clear in earlier gestation, becomes turbid towards term due to vernix
caseosa, may contain lanugo
, NURS EXAM:DISORDERS OF AMNIOTIC FLUID 2023 GUIDE
Functions
• During pregnancy
– Acts as a shock absorber – protects fetus
– Maintains an even temperature around fetus
– Distends amniotic sac – growth, movements
– Contributes to water supply of the fetus
• During labor
– Hydrostatic wedge that helps dilate the cervix
– Prevents marked interference with placental circulation
– Flushes birth canal – protects fetus from ascending infection
• Definition
• Functions
• Changes with gestational age
• Measurements
• Disorders – clinical presentation
• Complications of the disorders
• Management of disorders
, NURS EXAM:DISORDERS OF AMNIOTIC FLUID 2023 GUIDE
Amniotic fluid
• Fluid that distends the amniotic sac during pregnancy
• Formed from:
– Transudation across – fetal membranes, fetal skin, umbilical cord
– Fetal urine
• Very clear in earlier gestation, becomes turbid towards term due to vernix
caseosa, may contain lanugo
, NURS EXAM:DISORDERS OF AMNIOTIC FLUID 2023 GUIDE
Functions
• During pregnancy
– Acts as a shock absorber – protects fetus
– Maintains an even temperature around fetus
– Distends amniotic sac – growth, movements
– Contributes to water supply of the fetus
• During labor
– Hydrostatic wedge that helps dilate the cervix
– Prevents marked interference with placental circulation
– Flushes birth canal – protects fetus from ascending infection