SAB, Ectopic, Rh isoimmunization

Question 1

How many weeks are the 1st, 2nd, and 3rd trimester?

Answer 1

1st- FDLMP- 13/14 weeks

2nd: 14-27 weeks
3rd: 28-42weeks

Question 2

What is considered an abortion?

Answer 2

Loss of fetus

Question 3

What is a threatened abortion?

Answer 3

Vaginal bleeding with closed cervix

Watch and wait (expected management)

Question 4

What is an inevitable abortion?

Answer 4

Vaginal bleeding with partially dilated cervix. Loss is inevitable.

Question 5

How often does hCG double, when does it peak, and what is the discriminatory zone?

Answer 5

hCG doubles every 2 days, peaks at 10 weeks (100K)

Discriminatory level= 1500-2000 (will see gestational sac)

Question 6

What is anembryonic gestation?

Answer 6

A blighted ovum

Fertilized egg develops a placenta but no embryo

Question 7

What is the most common immunologic factor causing recurrent abortions?

Answer 7

Antiphospholipid syndrome

Question 8

What is the leading cause of maternal death in the first trimester?

Answer 8

Ectopic pregnancy

Question 9

What is associated with a falling hCG concentration?

Answer 9

Blighted ovum, spontaneously resolving ectopic, or abnormal pregnancy

Question 10

Who should RhoGAM be given to and when?

Answer 10

Rh- moms with Rh+ baby
Give at 28 weeks and within 72hrs of delivery
AND when a factor could increase chance of fetomaternal hemorrhage