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Ob/Gyne > Module 7.3 : Fetal Lie > Flashcards

Module 7.3 : Fetal Lie Flashcards

1
Q

fetal lie

A
  • describes the relation of the long axis of the fetus to that of the mother
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2
Q

different types of fetal lie

A
  • longitudinal lie
  • transverse lie
  • oblique lie
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3
Q

longitudinal lie

A

baby spine in same line as mom

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4
Q

transverse lie

A

baby spine perpendicular to mom spine (more common in twins)

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5
Q

oblique lie

A

no specific lie just in-between

  • mass pushing fetus
  • obese mother
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6
Q

presentation

A

refers to the part of the fetus that is over the cervix

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7
Q

3 types of presentation

A
  • cephalic
  • breech
  • acromial
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8
Q

cephalic presentation

A
  • aka vertex
  • fetal head is closest to the cervix
  • most common
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9
Q

breech presentation

A
  • fetal butt is closest to cervix
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10
Q

acromial presentation

A
  • fetal shoulder is closest to the cervix

- very bad

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11
Q

types of cephalic presentation

A
  • cephalic with back anterior or up

- cephalic with back posterior or down

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12
Q

types of acromial presentation

A
  • acromial back anterior

- acromial back posterior

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13
Q

types of breech

A
  • complete breech
  • footling breech
  • frank breech
  • incomplete breech
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14
Q

complete breech

A
  • hips and knees flexed or bent
  • feet are level with the bum
  • bum is presenting
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15
Q

frank breech

A
  • hips are flexed
  • knees are extended or straight legs
  • feet near the face
  • pike position of toes up the nose
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16
Q

incomplete breech

A
  • one leg is extended and the other is bent

- foot is level with the bum

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17
Q

footling breech

A
  • one or both feet are closest to the cervix

- feet are lower than the bum

18
Q

cephalic spine on left

A
  • right hand side of baby at the top of the screen

- stomach is posterior

19
Q

cephalic spine on right

A
  • left arm is up at top of the screen

- stomach is anterior

20
Q

breech spin on right

A
  • right arm is up at top of screen

- stomach is posterior

21
Q

breech spine on left

A
  • left arm is up at top of screen

- stomach is anterior

22
Q

transverse lie - determining situs

A
  • is baby back toward fundus or up
  • is baby back towards cervix or down
  • now scanning in SAG to do AC
23
Q

transverse lie spine cephalic head right

A
  • left arm comes up at top of screen

- stomach anterior

24
Q

transverse lie spine cephalic head left

A
  • right arm comes up at top of screen

- stomach posterior

25
Q

transverse lie spine caudal head left

A
  • left arm comes up at top of screen

- stomach anterior

26
Q

transverse lie spine caudal head right

A
  • right arm comus up at top of screen

- stomach posterior

27
Q

position

A
  • refers to relation of the fetus to the right or left side of the birth canal
  • used more in labor and delivery
28
Q

position - O

A
  • occiput
  • back of head
  • in vertex/cephalic presentation
29
Q

presentation - M

A
  • chin/mento

- in face presentation

30
Q

presentation - S

A
  • sacrum

- breech presentation

31
Q

variety

A
  • more accurate orientation

- relation of presenting part to the anterior transverse or posterior portion of the mothers pelvis is considered

32
Q

position + variety

A
  • since presenting part in each of the two positions may be anterior transverse or posterior there are 6 varieties of each presentation
33
Q

LO / RO

A

Left or Right occiput

34
Q

LM / RM

A

Left or Right mento

35
Q

LS / RS

A

Left or Right Sacrum

36
Q

posture

A
  • in later months fetus assumes a characteristic posture described as the attitude or habitus
  • usually fetus folds forward
  • spine is convex and head flexed forward
  • only situation not like this is mento presentation
37
Q

vertex presentation - frequency

A

96%
2/3 are in left position
occiput transversely

38
Q

breech presentation - frequency

A

3.5%

39
Q

mento presentation - frequency

A

0.3%

40
Q

acromium presentation - frequency

A

0.4%

Ob/Gyne (24 decks)

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