Multifetal Pregnancy

Question 1

What are monozygotic twins

Answer 1

Same sex, result from one fertilized egg

Question 2

What are dizygotic twins

Answer 2

Can be diff sex, result from two fertilized eggs

Question 3

What are dichorionic diamniotic twins?

Answer 3

They have their own chorion, amnion, and placenta

Question 4

88% of dichorionic diamniotic twins are of which type

Answer 4

Dizygotic

Question 5

Apart from the routine antenatal screening, what else do we do?

Answer 5

Down syndrome screening, aswell as dating and chorioncity scan at 11-14 weeks

Question 6

prescribed supplements?

Answer 6

Iron, folic acid, bit D, and low dose aspirin daily

Question 7

DCDA twin growth scan frequency, and from which week?

Answer 7

Every 4 weeks from week 24 onwards

Question 8

MCDA twins growth scan frequency and when

Answer 8

Every 2 weeks, from week 16 onwards

Question 9

Early management of Twin to twin transfusion

Answer 9

Fetoscope laser ablation between weeks 16-26

Question 10

TTT management after 26 weeks?

Answer 10

Delivery via C section

Question 11

Which ultrasound finding confirms monochorionicity?

Answer 11

T-sign at the inter-twin membrane

Question 12

Which ultrasound finding confirms dichorionicity?

Answer 12

Lambda sign at the placental insertion

Question 13

TTTs is unique to which type of twins

Answer 13

Monochorionic

Question 14

Vaginal delivery if acceptable if Twin A’s position is what?

Answer 14

Cephalic