Abortions, Ectopic Pregancy And Rh Flashcards

1
Q

What is the date range for first trimester, second trimester, and third trimester?

A

First day of last menstrual period to 13 weeks
14-27
28-42

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2
Q

Week ranges of abortion, preterm delivery, full term, and post dates? How do we estimate date of confinement?

A
Less than 20 weeks
20-36
37-42
Greater than 40
40 weeks after FDLMP
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3
Q

What hCG level confirms abnormal IUP or ectopic pregnancy?

A

Rise in hCG less than 53% in 48 hours

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4
Q

When is hCG first detected in serum, when does it hit its peak, and how much does it rise every 2 days?

A

6-8 days after ovulation
10 weeks
Doubles

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5
Q

What is the most common cause of first trimester SABs? What is the most common one? What is the most common class?

A

Chromosomal abnormalities
45XO is the most common one
Trisomy class is most common with Trisomy 16 being most common

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6
Q

2 things define the type of an abortion?

A

Products of conception have passed

Cervix being dilated or not.

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7
Q

What is going on with the cervix during threatened abortion?

A

Closed with vaginal bleeding

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8
Q

What is going on with the cervix during inevitable abortion?

A

Cervix is partially dilated with vaginal bleeding

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9
Q

What is going on with the cervix during incomplete abortion, what contents have passed, and how do we treat?

A

Dilated cervix with bleeding and cramping/pain
Some but not all contents
Suction D and C

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10
Q

What is going on with the cervix during complete abortion and what contents are passed?

A

Cervix is closed

Everything is passed, baby and placenta

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11
Q

What is going on with a missed abortion and how do you treat it?

A

Fetus has died, but remains in the uterus

Wait for abortion or go in and do suction d and c

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12
Q

What is going on with septic abortion and how do we treat it?

A

Retained infected products of conception

IV antibiotics and proceed with D and C

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13
Q

What is a blighted or anembryonic gestation and how is it treated?

A

Fertilized egg develops a placenta, but not into an embryo. Empty gestational sac.
Misoprostol, if have to D and C, but not first choice.

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14
Q

What is a more successful primary therapy to remove products of conception than what other two choices?

A

D and C

Medical management of expectant management

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15
Q

How do we define recurrent abortions?

A

Three successive SABs

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16
Q

What are 4 general maternal factors associated with recurrent abortions?

A

Infection, smoking and alcohol use, lots of medical conditions, and increasing maternal age.

17
Q

What are two local maternal factors associated with recurrent abortions?

A

Uterine abnormalities, like congenital anomalies due to DES or fibroids, or cervical incompetence.

18
Q

How do we treat cervical inompetence?

A

Cervical cerclage

19
Q

What is the fetal factor associated with recurrent abortions even though it is more a one time deal?

A

Chromosomal abnormalities

Turner syndrome ad trisomy 16

20
Q

What specific thing are we looking for when we do Karyotyping to check for possible risk of abortions?

A

Balances reciprocal or robertsonian translocation

21
Q

What is the most common immunologic disorder that is associated with recurrent abortions, what are the two antibodies we are looking for, and how do we treat it?

A

Antiphospholipid syndrome
Lupus anticoagulant and anti beta 2 glycoprotein 1
Give heparin and low dose aspirin

22
Q

Classic triad of patient presenting with ectopic pregnancy?

A

Lady presenting with bleeding, lower quadrant pain and missed period

23
Q

What 3 things are we thinking with a potential ectopic pregnancy lady presenting? Out of the 3 which one is most common?

A

Possible ectopic, probable ectopic, acutely ruptured ectopic.
Possible is most common

24
Q

How is probably ectopic pregnancy presentation different than possible? 3 ways?

A

Symptoms are worse
Abdominal, Adnexal, and cervical tenderness
May see ectopic on US with probable, but rarely with possible.

25
Q

2 symptoms of acutely ruptured ectopic pregnancy?
2 things to see on physical exam?
What does US show?

A

Severe pain and dizziness
Distended/tender abdomen and the patient has signs of hemodynamic instability
Empty uterus

26
Q

What level of hCG is considered inappropriately rising, what is falling hCG indicative of, and what is the discriminatory zone value and what does it mean?

A

Less than a 53% rise
Blighted ovum, resolving ectopic or abnormal pregnancy
1500-2000 and we should be able to see an intrauterine sac

27
Q

What can a transvaginal ultrasound reveal?

A

IUP and extrauterine pregnancy

28
Q

If we don’t see anything when we do TVUS, what do we need to do?

A

Follow hCG levels and do another one when the hCG is in the discriminatory zone.

29
Q

How do we treat an ectopic pregnancy with medicine? And how do we proceed once we give the medicine?

A

Give MTX, which is a folic acid antagonist.
Check hCG levels on day 4 and 7.
If down 15%, continue to watch as it drops.
If it is dropping slowly or staying the same, give another dose
If it is rising, surgery.

30
Q

What is sort of the magic cutoff for ectopic pregnancies to resolve spontaneously? What do we do with expectant management of an ectopic pregnancy?

A

80% of ectopic with hCG levels less than 1000.

Follow those hCG levels.