Polyhydramnios Flashcards
1
Q
What is polyhydramnios
A
abnormally large level of amniotic fluid; amniotic fluid index that is above the95th centilefor gestational age
2
Q
Causes of polyhydramnios
A
- Idiopathic (50-60%)
- Pathology of foetal swallowing
- Duodenal atresia
- Anaemia
- Maternal diabetes
- Macrosomia
- Twin-to-twin transfusion syndrome
3
Q
What are some causes of foetal swallow pathology that can cause polyhydramnios
A
Oesophageal atresia, CNS abnormalities, muscular dystrophies, congenital diaphragmatic hernia
4
Q
Symptoms of polyhydramnios
A
- Abdominal discomfort
- Pre-labour rupture of membranes
- Preterm labour
- Cord prolapse
5
Q
Signs of polyhydramnios
A
- LFD
- Malpresentation
- Tense shiny abdomen
- Inability to feel foetal parts
6
Q
USS findings in polyhydramnios
A
- Amniotic fluid index (AFI) or maximum pool depth (MPD)
- AFI > 25
- DVP >8cm
7
Q
What investigations are required in polyhydramnios
A
USS
Maternal glucose tolerance testing
Karyotyping
TORCH screen
Antibody screen
8
Q
Management of polyhydramnios
A
Usually none required
Amnioreduction if maternal symptoms
