Multiple Pregnancy Flashcards
1
Q
What is zygosity?
A
Number of eggs fertilised
2
Q
What is chorionicity?
A
Number of placenta
3
Q
What is amniocity?
A
Number of amniotic sacs
4
Q
How is multiple pregnancy diagnosed?
A
USS
5
Q
What is seen on DCDA USS?
A
Membrane with lambda sign
6
Q
What is seen on MCDA USS?
A
Membrane with T sign
7
Q
What is seen on MCMA USS?
A
No membrane seen
8
Q
What additional antenatal care is done for multiple pregnancy?
A
FBC
- booking
- 20 weeks
- 28 weeks
USS
- 2 weekly from week 16 - MC twins
- 4 weekly from week 20 - DC twins
9
Q
What are maternal risks of multiple pregnancy?
A
Anaemia HTN Preterm birth Instrumental delivery PPH
10
Q
What are fetal risks of multiple pregnancy?
A
Fetal death FGR Prematurity Twin-twin transfusion syndrome Twin anaemia polycythaemia sequence
11
Q
When is delivery planned in multiple pregnancy?
A
MCMA = 32-33 weeks MCDA = 36-37 weeks DCDA = 37-38 weeks
12
Q
What is twin-twin transfusion syndrome?
A
Occurs when sharing placenta
One fetus gets majority of blood
- heart failure
- polyhydramnios
Other gets minority
- growth restriction
- anaemia
- oligohydramnios
13
Q
What is twin anaemia polycythaemia sequence?
A
One twin is anaemic
Other is polycythaemic
