Labor and Delivery Flashcards
At what gestational age is the head circumference equal to the abdominal circumference?
32 weeks
Fetal weight at 20 weeks
300g
Fetal weight at 28 weeks
1000g
Fetal weight at 32 weeks
1600g
Fetal weight at 34 weeks
2000g (then 250g per week after)
You add 250g per week after what gestation age?
34wks
Fetal weight at 36 weeks
2500g
Fetal weight at 38 weeks
3000g
Fetal weight at 40 weeks
3500g
Cardinal movements of labor
Engagement Descent Flexion Internal rotation Extension External rotation Expulsion
of Oocytes by 20 weeks gestation
6-7 million
of Oocytes at birth
1-2 million
of Oocytes at puberty
500,000
of Oocytes after 50
1,000
Pitocin Mixing
1 unit = 1,000 miliunits
10 units (1 Amp) in 1,000mL
10,000 miliunits in 1,000mL
10 miliunits in 1mL
1 miliunit in 0.1 mL
(1 milliunit / minute = 0.1mL / minute) x 60minutes = 6mL / hour
Low bishop score is less than or equal to
5
Unfavorable, would benefit from cervical ripening
High bishop score is greater than or equal to
9
Highly favorable so a likelihood of a successful induction
What dilation gets a bishop score of 0?
Closed
What effacement gets a bishop score of 0?
0-30%
What station gets a bishop score of 0?
-3
What consistency gets a bishop score of 0?
Firm
What position gets a bishop score of 0?
Posterior
What dilatation gets a bishop score of 1?
1-2
What effacement gets a bishop score of 1?
40-50%
What station gets a bishop score of 1?
-2
What consistency gets a bishop score of 1?
Medium
What position gets a gets a bishop score of 1?
Mid-position
What dilatation gets a bishop score of 2?
3-4
What effacement gets a bishop score of 2?
60-70%
What station gets a bishop score of 2?
-1
What consistency gets a bishop score of 2?
Soft
What position gets a bishop score of 2?
Anterior
What dilatation gets a bishop score of 3?
5 or more
What effacement gets a bishop score of 3?
80% or more
What station gets a bishop score of 3?
+1 or +2
APGAR scores 1st A
Activity
0 is limp
1 is some flexion
2 is active
APGAR scores - P
Pulse
0 is absent for 6 seconds
1 is <100bpm
2 is >100bpm
APGAR scores - G
Grimace (reflex irritability)
0 is no response
1 is grimace
2 is cough or sneeze
APGAR scores - 2nd A
Appearance (color)
0 is blue or pale
1 is body pink/extremities blue
2 is all pink
APGAR scores - R
Respirations
0 is absent
1 is weak cry (hypoventilation)
2 is strong cry