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endorepro remediation > Early Pregnancy Loss, Ectopic Pregnancy, Rh Isoimmunization (Moulton) > Flashcards

Early Pregnancy Loss, Ectopic Pregnancy, Rh Isoimmunization (Moulton) Flashcards

1
Q

The first day of last menstrual period to 13+6 weeks makes up what period?

14 weeks to 27+6 weeks makes up what period?

28 weeks to 42 weeks makes up what period?

A

1) First trimester
2) Second trimester
3) Third trimester

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2
Q

Estimated date of confinement is ___ weeks after first day of last menstrual period.

A

40

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3
Q

Abortions occur before ___ weeks.

Preterm delivery occurs at a range of ___ weeks.

Full term delivery occurs at a range of ___ weeks.

A

1) 20
2) 20-36
3) 37-42

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4
Q

Up to 40% of women will have some vaginal bleeding during early pregnancy known as ___ bleeding.

A

Implantation

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5
Q

At hCG levels of 1500- 2000 mIU/L a __1__ will be seen.

__2__ is seen around 5 weeks or at hCG levels of 5200 mIU/L.

A

1) Gestational sac

2) Fetal pole

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6
Q

If abnormal rise in hCG of less than 53% in 48 hrs, this confirms an ____?

A

Ectopic pregnancy

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7
Q

__1__ pregnancy refers to the presence of hCG 7-10 days after ovulation but in whom menstruation occurs when expected.

Majority of this type of pregnancy will result in __2__.

A

1) Biochemical

2) Miscarriage

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8
Q

Spontaneous abortions are characterized by the fetus being lost before __1__ weeks gestation and less than __2__ grams.

80% of SAB’s occur in the __3__ trimester.

A

1) 20 weeks
2) 500 grams
3) First

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9
Q

__1__ abnormalities are most common cause of first trimester SAB’s.

__2__ is the most common type of this abnormality.

Trisomy class is the most common class of this occurring with trisomy __3__ being the most common.

A

1) Chromosome
2) 45 XO (Turner syndrome)
3) Trisomy 16

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10
Q

__1__ is a type of SAB characterized by vaginal bleeding and a closed cervix which leads to 25-50% eventually results in loss of pregnancy.

__2__ is a type of SAB characterized by vaginal bleeding and the cervix is partially dilated.

__3__ is a type of SAB characterized by vaginal bleeding, cramping with lower abdominal pain, and the cervix is dilated leading to passage of some but not all of the products of conception?

__4__ is a type of SAB characterized by passage of all products of conception (fetus and placenta) with a closed cervix.

__5__ is a type of SAB characterized by fetus has expired and remains in the uterus which may result in coagulation problems.

__6__ is a type of SAB characterized by motion tenderness, purulent discharge, hemorrhage, and rarely renal failure along with retained infected products of conception.

__7__ is a type of SAB characterized by gestational sac too large to not have embryo.

A

1) Threatened abortion
2) Inevitable abortion
3) Incomplete abortion
4) Complete Abortion
5) Missed abortion
6) Septic Abortion
7) Anembryonic Gestation (Blighted ovum)

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11
Q

With majority of the SAB types, what should you proceed with?

A

Suction Dilation and curettage

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12
Q

Anembryonic Gestation (Blighted ovum) is when the fertilized egg develops a?

A

Placenta but no embryo

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13
Q

Recurrent abortions are defined as?

This excludes?

A

1) Three successive SABs

2) Ectopic and molar pregnancies

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14
Q

What infectious agents are general maternal factors for recurrent abortions?

A

Mycoplasma, Chlamydia, Listeria, or Toxoplasma

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15
Q

What substances are general maternal factors for recurrent abortions?

A

Smoking and alcohol

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16
Q

Increase in maternal ____ is a general maternal factors for recurrent abortions.

A

Age

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17
Q

What uterine abnormalities are local maternal factors for recurrent abortions?

A

1) Congenital anomalies from DES exposure
2) Submucosal fibroids, uterine septum
3) Intrauterine synechiae (Asherman syndrome)

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18
Q

What local maternal factor for recurrent abortions is usually seen with second trimester loss and presents with painless dilation and delivery.

A

Cervical incompetence

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19
Q

What is the most common immunologic factor for recurrent abortions?

A

Antiphospholipid Syndrome

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20
Q

What should you test for with immunologic factors for recurrent abortions?

A

1) Lupus anticoagulant
2) Anticardiolipin antibodies (IgG and IgM)
3) Anti-B2-glycoprotein 1 antibodies (IgG and IgM)

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21
Q

What is the prophylactic treatment with immunologic factors for recurrent abortions?

A

Heparin and low dose aspirin

22
Q

Where is the most common location for ectopic pregnancy implantation?

A

Fallopian tubes

23
Q

With ectopic pregnancy, the ____ implant into the mucosa of the fallopian tube and rapidly erode through to the underlying blood vessels.

A

Trophoblasts

24
Q

In regards to ectopic pregnancy, why is it important to have a high index of suspicion and diagnose early?

A

It is the leading cause of maternal death in the first trimester

25
Q

A risk factor for ectopic pregnancy is a history of tubal infection with ___ or ___ which can cause the tube to become distended with purulent material, clubbed fibria, and torous.

A

Gonorrhea or chlamydia

26
Q

Previous ___ surgery or ___ are risk factors for ectopic pregnancy.

A

Tubal reconstructive surgery or sterilizations

27
Q

What is the classic triad of ectopic pregnancy?

A

1) Prior missed menses
2) Vaginal bleeding
3) Lower abdominal pain

28
Q

__1__ ectopic pregnancy is the most common clinical presentation for ectopic pregnancy and result in mild non specific findings such as abdominal pain and vaginal spotting along with physical exam findings such as the uterus being soft/normal size.

__2__ is an ultrasound finding seen in this type of presentation.

A

1) Possible

2) Thickened endometrial stripe (Arias-Stella reaction)

29
Q

__1__ ectopic pregnancy presents with lower abdominal pain and vaginal bleeding along with physical findings such as adnexal tenderness and/or vertical motion tenderness.

Variable amounts of fluid in the __2__ is an ultrasound finding seen in this type of presentation.

A

1) Probable

2) Cul de sac

30
Q

__1__ ectopic pregnancy is a surgical emergency and presents with symptoms such as severe abdominal pain and dizziness (secondary to intraperitoneal hemorrhage) along with physical findings such as distended abdomen, cervical motion tenderness, and hemodynamic instability (diaphoresis, tachycardia, loss of consciousness).

__2__ with a significant amount of __2__ is an ultrasound finding seen in this type of presentation.

A

1) Acutely ruptured

2) Empty uterus; free fluid

31
Q

What diagnostic hCG finding can point towards ectopic pregnancy?

A

hCG inappropriately rises

32
Q

What diagnostic hCG finding can point towards a blighted ovum?

A

Falling hCG concentration levels

33
Q

What folic acid antagonist which inhibits DNA synthesis and cell replication can be used in the medical management of ectopic pregnancy?

A

Methotrexate

34
Q

In the surgical management of ectopic pregnancy, laparotomy is the preferred approach for patients who are __1__.

Laparoscopy is the preferred approach for __2__ patients.

A

1) Hemodynamically unstable

2) Stable

35
Q

In the surgical management of ectopic pregnancy, what is recommended when significant damage to the tube is noted?

A

Salpingectomy (removal of entire fallopian tube)

36
Q

In the surgical management of ectopic pregnancy, most studies reveal that ____ results in better long term tubal function and is performed by making an incision parallel to the axis of the tube over the site of implantation and the incision is left open to heal by secondary intention.

A

Salpingostomy

37
Q

What results in the mother’s immune system to produce antibodies to the fetal Rh antigen, which can cross the placenta and destroy fetal red blood cells resulting in serious hemolytic disease in the fetus/newborn?

A

Rhesus isoimmunization

38
Q

Rhesus isoimmunization occurs in a pregnant, Rh __1__ women carrying an Rh __2__ fetus.

A

1) Negative

2) Positive

39
Q

The Rh complex is made up of a number of antigens, women who carry which antigen are RH positive?

A

Rh D antigen

40
Q

Initial response to Rh antigen is the production of __1__ antibodies for a short period of time, followed by __2__ antibodies that freely cross the placenta & enter the fetal circulation.

If the fetus has Rh antigen, then the antibodies will bind to the fetal __3__ antigenic sites and cause hemolysis.

Severe hemolysis may lead to profound anemia resulting in __4__.

A

1) IgM
2) IgG
3) Red blood cells
4) Hydrops fetalis

41
Q

Prophylactic ____ is used to prevent maternal production of antibodies to Rh.

A

Rh immune globulin (RhoGAM)

42
Q

Cesarean section, placenta previa or abruption and manual extraction of placenta can all cause ____ which can then lead to isoimmunization.

A

Fetomaternal hemorrhage

43
Q

Who should be administered with RhoGAM?

When should it be given?

A

1) Rh-negative woman

2) At 28 weeks and also within 72 hours after delivery of a Rh D positive infant

44
Q

The Kleinhauer-Betke test can be used to identify fetomaternal hemorrhage by looking for __1__ in maternal blood.

Will determine if additional __2__ is necessary.

A

1) Fetal RBCs

2) RhoGAM

45
Q

If a Rh negative women whose anti-D antibody titers are positive (Rh D sensitized) and the father of the baby is Rh-D negative, what should be done?

Why?

A

1) No further workup or treatment is necessary

2) The fetus will be Rh negative

46
Q

If a Rh negative women whose anti-D antibody titers are positive (Rh D sensitized) and the father of the baby is Rh-D positive which results in homozygosity for D antigen, how will it be passed?

If this scenario results in heterozygosity for D antigen?

A

1) All fetuses will be Rh positive and could be affected

2) 50% of the children will be Rh negative and 50% Rh positive

47
Q

If a maternal Rh-Antibody titer is less than 1:8 this usually indicates that?

If titers are more than 1:16 this indicates?

A

1) The fetus is not in serious jeopardy

2) Detailed US to detect hydrops

48
Q

What US findings point towards fetal hydrops?

A

1) Ascites
2) Pleural effusion
3) Pericardial effusion
4) Skin or scalp edema
5) Polyhydramnios

49
Q

Doppler assessment of peak systolic velocity in the fetal ____ in cm/sec is the most valuable tool for detecting fetal anemia.

A

Middle cerebral artery

50
Q

Hematocrit below 30% or 2 standard deviations below the mean Hct for the gestational age is suggestive of?

A

Severe fetal anemia

51
Q

In the management of isoimmunization, intrauterine transfusions usually performed between 18-35 weeks using fresh group ___ packed red blood cells.

A

O, Rh negative

endorepro remediation (21 decks)

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