SAB, Ectopic, Rh isoimmunization Flashcards

1
Q

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

A

1st- FDLMP- 13/14 weeks

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

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2
Q

What is considered an abortion?

A

Loss of fetus

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3
Q

What is a threatened abortion?

A

Vaginal bleeding with closed cervix

Watch and wait (expected management)

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4
Q

What is an inevitable abortion?

A

Vaginal bleeding with partially dilated cervix. Loss is inevitable.

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5
Q

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

A

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

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

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6
Q

What is anembryonic gestation?

A

A blighted ovum

Fertilized egg develops a placenta but no embryo

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7
Q

What is the most common immunologic factor causing recurrent abortions?

A

Antiphospholipid syndrome

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8
Q

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

A

Ectopic pregnancy

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9
Q

What is associated with a falling hCG concentration?

A

Blighted ovum, spontaneously resolving ectopic, or abnormal pregnancy

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10
Q

Who should RhoGAM be given to and when?

A

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

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