Placenta Variations

Question 1

Name the Whenua

Answer 1

Circumvallate

Question 2

Name this Placenta

Answer 2

Velamentous insertion

Question 3

Name this Whenua

Answer 3

Succenturiate Lobe

Question 4

Name this Whenua

Answer 4

Bilobed

Question 5

Name this Whenua

Answer 5

Battledore insertion

Question 6

Which Whenua Variations have a increase chance of a SGA pepi

Answer 6

• Velamentous insertion
• Battledore
• Bilobed

Question 7

When the placenta is low-lying over near or over the cervix

Answer 7

• Placenta Previa

Question 8

how many types of placenta previa are there?

Answer 8

Four

Question 9

The placenta/marginal sinus is 20 mm or less from the internal cervical os is classified as?

Answer 9

• Low-lying placenta

Question 10

Definition of marginal previa?

Answer 10

• The placenta is near the edge of the

cervix

Question 11

Classification of partial placenta previa?

Answer 11

• The placenta is partly over the cervix

Question 12

The placenta completely covers the internal cervical os is classified as what?

Answer 12

• Complete placenta previa

Question 13

Definition of Vasa Praevia?

Answer 13

When the Fetal umbilical cord blood vessels run across or very close to the internal opening of the cervix. These vessels are inside the membranes, unprotected by the umbilical cord or the placenta

Question 14

A retained whenua can cause issues with breastfeeding why

Answer 14

there is no drop in oestrogen and progesterone which means there is no trigger to increase the hormone prolactin

Question 15

When does organogenesis (implantation of the placenta) occur?

Answer 15

3 -8 weeks