Placenta praevia

Question 1

What is placenta praevia?

Answer 1

Placenta attached to lower segment of uterus after 34 weeks

Question 2

What is a placenta praevia before 34 weeks called?

Answer 2

Low lying placenta

Question 3

What are the grades of placenta praevia?

Answer 3

I= encroaching on lower segment
II= reached internal os
III= covers internal os
IV= central placenta

Question 4

What are the risk factors for a placenta praevia?

Answer 4

Parity
Multiple pregnancy
Previous C section

Question 5

What is the presentation of placenta praevia?

Answer 5

Asymptomatic
Painless PV bleeding
Soft, non tender uterus
Malpresentation of foetus- often oblique

Question 6

What investigations are done where placenta praevia is suspected?

Answer 6

Pelvic US

NEVER to vaginal exam until ruled out

Question 7

What is the management of placenta praevia?

Answer 7

Dependent on severity and gestation

C section required to deliver

Question 8

What is placenta accreta?

Answer 8

Complete or partial attachment of placenta to myometrium

Question 9

What are the risk factors for placenta accreta?

Answer 9

Previous C section or uterine surgery

Question 10

What is the management of placenta accreta?

Answer 10

C section required for delivery