SAB, Ectopic, Rh Isoimmunization Flashcards

1
Q

When is hCG first detected?

A

-6-8 days after ovulation

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2
Q

When can the gestational sac be seen with a transvaginal ultrasound?

A

-when the hCG is 1500-2000

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3
Q

What does Biochemical pregnancy reger to?

A

-the presence of hCG 7010 days after ovulation but in whome menstruation occurs when expected

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4
Q

What does SAB even mean?

A

-spontaneous abortions

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5
Q

What is the most common cause of first trimester SAB?

A
  • Chromosome abnormalities
  • 45XO is most common
  • trisomy is the most common class
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6
Q

What is the most common trisomy?

A

-trisomy 16

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7
Q

Threatened abortion

A

-vaginal bleeding and closed cervix

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8
Q

Inevitable abortion

A
  • vaginal bleeding and the cervix is partially dilated

- loss is inevitable

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9
Q

incomplete abortion

A
  • vaginal bleeding, dilated cervix

- passage of some but not all the products of conception

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10
Q

missed abortion

A

-the fetus is just sitting there in the uterus

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11
Q

What is the most common immunologic cause of recurrent (more than 3) abortions?

A

-antiphospholipid syndrome

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12
Q

Where is an ectopic pregnancy usually?

A

-fallopian tube

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13
Q

Who is at risk of ectopic preggo IF the pregnancy occurs?

A

-IUD users

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14
Q

Classic triad of ectopic pregnancy

A
  • prior missed menses
  • vaginal bleeding
  • lower abdominal pain
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15
Q

What is the most common kind of ectopic pregnancy?

A
  • possible ectopic preggo
  • you just see a thickened endometrial stripe
  • mild non specific symptoms
  • the other types are probable and acutely ruptured
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16
Q

what will the hCG do with an ectopic preggo?

A

-double in 48 hours

17
Q

What do we treat ectopic pregnancy with?

A

-MEthotrexate

18
Q

When is the Rh thing a problem?

A
  • in a pregnant lady who is Rh negative carrying an Rh positive fetus
  • the antibodies from the mom cross placenta and get the child
  • causes hemolytic anemia in the child
19
Q

What do we give prophylactically to prevent maternal productoin of antibodies?

A
  • RhoGAM
  • it’s an Th immune globulin
  • Anti D Ig: reduces availability of Rh antigens to mom
20
Q

What can happen if we don’t take care of the Rh thing?

A

-fetal hydrops