L3: labour process

Question 1

Name the 5 p’s affecting labour

Answer 1

1. passenger (fetus and placenta)
2. passageway (birth canal)
3. Powers (contractions)
4. Position of mother
5. psychological respons

Question 2

What is the best and worst fetal presentation

Answer 2

We prefer cephalic, complete flexion, OA. The smallest part of the head would be entering first and the rest would fall through.

Shoulder presentation and single footling breech are not compatible with vag birth. We don’t like the other breech’s either

Question 3

What is fetal lie

Answer 3

The long axis of the fetal’s spine in relation to the mother’s. There are 3 types:

• longitudinal
• transverse
• oblique

Question 4

What are the important head measurements for the fetus during birth

Answer 4

biparietal diameter

suboccipitobregmatic diameter.

Question 5

T or F: We prefer LOP, OP, ROP

Answer 5

F: we like OAs more because the fetal presentation is more ideal

Question 6

Use of peanut balls

Answer 6

they can help rotate babies facing direction. i.e. OP to OA

Question 7

What part of the fetus’ head do we want coming out first

Answer 7

the occiput

Question 8

Describe fetal station

Answer 8

range from -3 to +3. The cm of where the baby is in relation to the base of the ischial spine. once the baby is at 0, it is at the spine and it is engaged. Mom starts pushing at +2

Question 9

What are the factors of the passenger in relation to delivery

Answer 9

1. fetal presentation: What part comes out first. Cephalic, breech, or shoulder
2. Head measurement: biparietal (largest transverse) and suboccipitobregmatic (smaller diagonal)
3. Fetal attitude: relation of fetal’s body part to one another
4. Fetal position: station (vertex in relation to the maternal ischial spine) and engagement