Multiple Gestation Pregnancies

Question 1

T or F ?

Malformations are rare with multiple gestation pregnancies.

Answer 1

False. They are not rare.

Question 2

How many eggs and sperm are associated with identical twins?

Answer 2

One egg and one sperm that split.

Question 3

Which type of multiples carries the least risk?
A. Dichorionic-diamniotic
B. Monochorionic-diamniotic
C. Monochorionic-monoamniotic
D. Conjoined

Answer 3

A. Dichorionic-diamniotic

Question 4

What is the % difference in growth in a twin-twin shunt?

Answer 4

> 20%

Question 5

What does “poly-oli” refer to?

Answer 5

One twin has polyhydramnios, and one has oligohydramnios through twin-twin shunting.

Question 6

What type of multiples can experience a twin-twin shunt? (Select all that apply)
A. Dichorionic-diamniotic
B. Monochorionic-diamniotic
C. Monochorionic-monoamniotic
D. Conjoined

Answer 6

Those that share a placenta
B.
C.
D.

Question 7

When should fetal surveillance start with multiple gestation?

Answer 7

32 weeks or earlier.
Growth U/S
NST, MVP, BPP

Question 8

What week is the goal to get a twin pregnancy to?

Answer 8

37 weeks

Question 9

Which twins require the earliest delivery?

Answer 9

Mono-mono

Question 10

Is a prolapsed umbilical cord more likely with singleton or multiple gestation?

Answer 10

Multiple

Question 11

What can happen with the placenta of Twin B after birth of Twin A?

Answer 11

Placental separation from uterine contractions after Twin A is born.

Question 12

Why is PPH more likely in twin pregnancies?

Answer 12

Overdistended uterus needing to contract down. “Assume hemorrhage will occur and be prepared”