Module 7.3 : Fetal Lie

Question 1

fetal lie

Answer 1

• describes the relation of the long axis of the fetus to that of the mother

Question 2

different types of fetal lie

Answer 2

• longitudinal lie
• transverse lie
• oblique lie

Question 3

longitudinal lie

Answer 3

baby spine in same line as mom

Question 4

transverse lie

Answer 4

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

Question 5

oblique lie

Answer 5

no specific lie just in-between

• mass pushing fetus
• obese mother

Question 6

presentation

Answer 6

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

Question 7

3 types of presentation

Answer 7

• cephalic
• breech
• acromial

Question 8

cephalic presentation

Answer 8

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

Question 9

breech presentation

Answer 9

• fetal butt is closest to cervix

Question 10

acromial presentation

Answer 10

• fetal shoulder is closest to the cervix

- very bad

Question 11

types of cephalic presentation

Answer 11

• cephalic with back anterior or up

- cephalic with back posterior or down

Question 12

types of acromial presentation

Answer 12

• acromial back anterior

- acromial back posterior

Question 13

types of breech

Answer 13

• complete breech
• footling breech
• frank breech
• incomplete breech

Question 14

complete breech

Answer 14

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

Question 15

frank breech

Answer 15

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

Question 16

incomplete breech

Answer 16

• one leg is extended and the other is bent

- foot is level with the bum

Question 17

footling breech

Answer 17

• one or both feet are closest to the cervix

- feet are lower than the bum

Question 18

cephalic spine on left

Answer 18

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

- stomach is posterior

Question 19

cephalic spine on right

Answer 19

• left arm is up at top of the screen

- stomach is anterior

Question 20

breech spin on right

Answer 20

• right arm is up at top of screen

- stomach is posterior

Question 21

breech spine on left

Answer 21

• left arm is up at top of screen

- stomach is anterior

Question 22

transverse lie - determining situs

Answer 22

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

Question 23

transverse lie spine cephalic head right

Answer 23

• left arm comes up at top of screen

- stomach anterior

Question 24

transverse lie spine cephalic head left

Answer 24

• right arm comes up at top of screen

- stomach posterior

Question 25

transverse lie spine caudal head left

Answer 25

- left arm comes up at top of screen | - stomach anterior

Question 26

transverse lie spine caudal head right

Answer 26

- right arm comus up at top of screen | - stomach posterior

Question 27

position

Answer 27

- refers to relation of the fetus to the right or left side of the birth canal - used more in labor and delivery

Question 28

position - O

Answer 28

- occiput - back of head - in vertex/cephalic presentation

Question 29

presentation - M

Answer 29

- chin/mento | - in face presentation

Question 30

presentation - S

Answer 30

- sacrum | - breech presentation

Question 31

variety

Answer 31

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

Question 32

position + variety

Answer 32

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

Question 33

LO / RO

Answer 33

Left or Right occiput

Question 34

LM / RM

Answer 34

Left or Right mento

Question 35

LS / RS

Answer 35

Left or Right Sacrum

Question 36

posture

Answer 36

- 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

Question 37

vertex presentation - frequency

Answer 37

96% 2/3 are in left position occiput transversely

Question 38

breech presentation - frequency

Answer 38

3.5%

Question 39

mento presentation - frequency

Answer 39

0.3%

Question 40

acromium presentation - frequency

Answer 40

0.4%